Home / 42,308.75-63,463.12-21,546.83

Finding the Fourth Proportional to 42,308.75, 63,463.12 and 21,546.83

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Solution

The fourth proportional to 42,308.75, 63,463.12 and 21,546.83 is: 32,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,308.75 : 63,463.12 = 21,546.83 : x
  2. Step 2: Convert to fraction form
    42,308.75/63,463.12 = 21,546.83/x
  3. Step 3: Cross multiply
    42,308.75x = 63,463.12 × 21,546.83
  4. Step 4: Simplify right side
    42,308.75x = 1,367,428,686.73
  5. Step 5: Solve for x
    x = 1,367,428,686.73/42,308.75
  6. Step 6: Final answer
    x = 32,320.24

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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.