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Finding the Fourth Proportional to 32,132.70, 48,199.05 and 18,999.90

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Solution

The fourth proportional to 32,132.70, 48,199.05 and 18,999.90 is: 28,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,132.70 : 48,199.05 = 18,999.90 : x
  2. Step 2: Convert to fraction form
    32,132.70/48,199.05 = 18,999.90/x
  3. Step 3: Cross multiply
    32,132.70x = 48,199.05 × 18,999.90
  4. Step 4: Simplify right side
    32,132.70x = 915,777,130.10
  5. Step 5: Solve for x
    x = 915,777,130.10/32,132.70
  6. Step 6: Final answer
    x = 28,499.85

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.