Home / 42,517.52-63,778.44-14,440.88

Finding the Fourth Proportional to 42,517.52, 63,778.44 and 14,440.88

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Solution

The fourth proportional to 42,517.52, 63,778.44 and 14,440.88 is: 21,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,517.52 : 63,778.44 = 14,440.88 : x
  2. Step 2: Convert to fraction form
    42,517.52/63,778.44 = 14,440.88/x
  3. Step 3: Cross multiply
    42,517.52x = 63,778.44 × 14,440.88
  4. Step 4: Simplify right side
    42,517.52x = 921,016,798.63
  5. Step 5: Solve for x
    x = 921,016,798.63/42,517.52
  6. Step 6: Final answer
    x = 21,662.05

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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.