Home / 55,541.92-83,312.88-13,992.16

Finding the Fourth Proportional to 55,541.92, 83,312.88 and 13,992.16

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Solution

The fourth proportional to 55,541.92, 83,312.88 and 13,992.16 is: 20,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,541.92 : 83,312.88 = 13,992.16 : x
  2. Step 2: Convert to fraction form
    55,541.92/83,312.88 = 13,992.16/x
  3. Step 3: Cross multiply
    55,541.92x = 83,312.88 × 13,992.16
  4. Step 4: Simplify right side
    55,541.92x = 1,165,727,147.02
  5. Step 5: Solve for x
    x = 1,165,727,147.02/55,541.92
  6. Step 6: Final answer
    x = 20,988.24

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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.