Home / 52,127.82-78,191.28-18,835.29

Finding the Fourth Proportional to 52,127.82, 78,191.28 and 18,835.29

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Solution

The fourth proportional to 52,127.82, 78,191.28 and 18,835.29 is: 28,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,127.82 : 78,191.28 = 18,835.29 : x
  2. Step 2: Convert to fraction form
    52,127.82/78,191.28 = 18,835.29/x
  3. Step 3: Cross multiply
    52,127.82x = 78,191.28 × 18,835.29
  4. Step 4: Simplify right side
    52,127.82x = 1,472,755,434.27
  5. Step 5: Solve for x
    x = 1,472,755,434.27/52,127.82
  6. Step 6: Final answer
    x = 28,252.77

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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.