Home / 57,432.13-86,148.20-17,992.32

Finding the Fourth Proportional to 57,432.13, 86,148.20 and 17,992.32

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Solution

The fourth proportional to 57,432.13, 86,148.20 and 17,992.32 is: 26,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,432.13 : 86,148.20 = 17,992.32 : x
  2. Step 2: Convert to fraction form
    57,432.13/86,148.20 = 17,992.32/x
  3. Step 3: Cross multiply
    57,432.13x = 86,148.20 × 17,992.32
  4. Step 4: Simplify right side
    57,432.13x = 1,550,005,461.12
  5. Step 5: Solve for x
    x = 1,550,005,461.12/57,432.13
  6. Step 6: Final answer
    x = 26,988.47

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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.