Home / 42,388.26-63,589.41-14,310.96

Finding the Fourth Proportional to 42,388.26, 63,589.41 and 14,310.96

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Solution

The fourth proportional to 42,388.26, 63,589.41 and 14,310.96 is: 21,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,388.26 : 63,589.41 = 14,310.96 : x
  2. Step 2: Convert to fraction form
    42,388.26/63,589.41 = 14,310.96/x
  3. Step 3: Cross multiply
    42,388.26x = 63,589.41 × 14,310.96
  4. Step 4: Simplify right side
    42,388.26x = 910,025,502.93
  5. Step 5: Solve for x
    x = 910,025,502.93/42,388.26
  6. Step 6: Final answer
    x = 21,468.81

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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.