Home / 60,439.38-90,659.06-18,886.38

Finding the Fourth Proportional to 60,439.38, 90,659.06 and 18,886.38

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Solution

The fourth proportional to 60,439.38, 90,659.06 and 18,886.38 is: 28,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,439.38 : 90,659.06 = 18,886.38 : x
  2. Step 2: Convert to fraction form
    60,439.38/90,659.06 = 18,886.38/x
  3. Step 3: Cross multiply
    60,439.38x = 90,659.06 × 18,886.38
  4. Step 4: Simplify right side
    60,439.38x = 1,712,221,363.17
  5. Step 5: Solve for x
    x = 1,712,221,363.17/60,439.38
  6. Step 6: Final answer
    x = 28,329.57

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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.