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Finding the Fourth Proportional to 32,003.70, 48,005.55 and 20,330.10

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Solution

The fourth proportional to 32,003.70, 48,005.55 and 20,330.10 is: 30,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,003.70 : 48,005.55 = 20,330.10 : x
  2. Step 2: Convert to fraction form
    32,003.70/48,005.55 = 20,330.10/x
  3. Step 3: Cross multiply
    32,003.70x = 48,005.55 × 20,330.10
  4. Step 4: Simplify right side
    32,003.70x = 975,957,632.06
  5. Step 5: Solve for x
    x = 975,957,632.06/32,003.70
  6. Step 6: Final answer
    x = 30,495.15

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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.