Home / 42,407.28-63,631.44-17,454.96

Finding the Fourth Proportional to 42,407.28, 63,631.44 and 17,454.96

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Solution

The fourth proportional to 42,407.28, 63,631.44 and 17,454.96 is: 26,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,407.28 : 63,631.44 = 17,454.96 : x
  2. Step 2: Convert to fraction form
    42,407.28/63,631.44 = 17,454.96/x
  3. Step 3: Cross multiply
    42,407.28x = 63,631.44 × 17,454.96
  4. Step 4: Simplify right side
    42,407.28x = 1,110,684,239.94
  5. Step 5: Solve for x
    x = 1,110,684,239.94/42,407.28
  6. Step 6: Final answer
    x = 26,190.89

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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.