Home / 34,818.89-52,238.75-13,761.90

Finding the Fourth Proportional to 34,818.89, 52,238.75 and 13,761.90

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Solution

The fourth proportional to 34,818.89, 52,238.75 and 13,761.90 is: 20,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,818.89 : 52,238.75 = 13,761.90 : x
  2. Step 2: Convert to fraction form
    34,818.89/52,238.75 = 13,761.90/x
  3. Step 3: Cross multiply
    34,818.89x = 52,238.75 × 13,761.90
  4. Step 4: Simplify right side
    34,818.89x = 718,904,384.82
  5. Step 5: Solve for x
    x = 718,904,384.82/34,818.89
  6. Step 6: Final answer
    x = 20,646.97

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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.