Home / 32,115.04-44,331.06-21,500.80

Finding the Fourth Proportional to 32,115.04, 44,331.06 and 21,500.80

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Solution

The fourth proportional to 32,115.04, 44,331.06 and 21,500.80 is: 29,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,115.04 : 44,331.06 = 21,500.80 : x
  2. Step 2: Convert to fraction form
    32,115.04/44,331.06 = 21,500.80/x
  3. Step 3: Cross multiply
    32,115.04x = 44,331.06 × 21,500.80
  4. Step 4: Simplify right side
    32,115.04x = 953,153,254.85
  5. Step 5: Solve for x
    x = 953,153,254.85/32,115.04
  6. Step 6: Final answer
    x = 29,679.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.