Home / 42,251.86-63,357.29-21,182.85

Finding the Fourth Proportional to 42,251.86, 63,357.29 and 21,182.85

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Solution

The fourth proportional to 42,251.86, 63,357.29 and 21,182.85 is: 31,764.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,251.86 : 63,357.29 = 21,182.85 : x
  2. Step 2: Convert to fraction form
    42,251.86/63,357.29 = 21,182.85/x
  3. Step 3: Cross multiply
    42,251.86x = 63,357.29 × 21,182.85
  4. Step 4: Simplify right side
    42,251.86x = 1,342,087,944.00
  5. Step 5: Solve for x
    x = 1,342,087,944.00/42,251.86
  6. Step 6: Final answer
    x = 31,764.00

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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.