Home / 42,330.12-63,370.56-31,286.04

Finding the Fourth Proportional to 42,330.12, 63,370.56 and 31,286.04

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Solution

The fourth proportional to 42,330.12, 63,370.56 and 31,286.04 is: 46,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,330.12 : 63,370.56 = 31,286.04 : x
  2. Step 2: Convert to fraction form
    42,330.12/63,370.56 = 31,286.04/x
  3. Step 3: Cross multiply
    42,330.12x = 63,370.56 × 31,286.04
  4. Step 4: Simplify right side
    42,330.12x = 1,982,613,874.98
  5. Step 5: Solve for x
    x = 1,982,613,874.98/42,330.12
  6. Step 6: Final answer
    x = 46,836.95

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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.