Home / 42,342.18-63,468.78-14,252.48

Finding the Fourth Proportional to 42,342.18, 63,468.78 and 14,252.48

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Solution

The fourth proportional to 42,342.18, 63,468.78 and 14,252.48 is: 21,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,342.18 : 63,468.78 = 14,252.48 : x
  2. Step 2: Convert to fraction form
    42,342.18/63,468.78 = 14,252.48/x
  3. Step 3: Cross multiply
    42,342.18x = 63,468.78 × 14,252.48
  4. Step 4: Simplify right side
    42,342.18x = 904,587,517.57
  5. Step 5: Solve for x
    x = 904,587,517.57/42,342.18
  6. Step 6: Final answer
    x = 21,363.74

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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.