Home / 36,385.29-54,577.75-31,439.88

Finding the Fourth Proportional to 36,385.29, 54,577.75 and 31,439.88

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Solution

The fourth proportional to 36,385.29, 54,577.75 and 31,439.88 is: 47,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,385.29 : 54,577.75 = 31,439.88 : x
  2. Step 2: Convert to fraction form
    36,385.29/54,577.75 = 31,439.88/x
  3. Step 3: Cross multiply
    36,385.29x = 54,577.75 × 31,439.88
  4. Step 4: Simplify right side
    36,385.29x = 1,715,917,910.67
  5. Step 5: Solve for x
    x = 1,715,917,910.67/36,385.29
  6. Step 6: Final answer
    x = 47,159.66

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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.