Home / 62,785.12-86,651.76-40,493.92

Finding the Fourth Proportional to 62,785.12, 86,651.76 and 40,493.92

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Solution

The fourth proportional to 62,785.12, 86,651.76 and 40,493.92 is: 55,886.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,785.12 : 86,651.76 = 40,493.92 : x
  2. Step 2: Convert to fraction form
    62,785.12/86,651.76 = 40,493.92/x
  3. Step 3: Cross multiply
    62,785.12x = 86,651.76 × 40,493.92
  4. Step 4: Simplify right side
    62,785.12x = 3,508,869,437.30
  5. Step 5: Solve for x
    x = 3,508,869,437.30/62,785.12
  6. Step 6: Final answer
    x = 55,886.96

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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.