Home / 62,008.64-85,589.28-38,139.20

Finding the Fourth Proportional to 62,008.64, 85,589.28 and 38,139.20

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Solution

The fourth proportional to 62,008.64, 85,589.28 and 38,139.20 is: 52,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,008.64 : 85,589.28 = 38,139.20 : x
  2. Step 2: Convert to fraction form
    62,008.64/85,589.28 = 38,139.20/x
  3. Step 3: Cross multiply
    62,008.64x = 85,589.28 × 38,139.20
  4. Step 4: Simplify right side
    62,008.64x = 3,264,306,667.78
  5. Step 5: Solve for x
    x = 3,264,306,667.78/62,008.64
  6. Step 6: Final answer
    x = 52,642.77

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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.