Home / 55,537.92-83,306.88-13,988.16

Finding the Fourth Proportional to 55,537.92, 83,306.88 and 13,988.16

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Solution

The fourth proportional to 55,537.92, 83,306.88 and 13,988.16 is: 20,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,537.92 : 83,306.88 = 13,988.16 : x
  2. Step 2: Convert to fraction form
    55,537.92/83,306.88 = 13,988.16/x
  3. Step 3: Cross multiply
    55,537.92x = 83,306.88 × 13,988.16
  4. Step 4: Simplify right side
    55,537.92x = 1,165,309,966.54
  5. Step 5: Solve for x
    x = 1,165,309,966.54/55,537.92
  6. Step 6: Final answer
    x = 20,982.24

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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.