Home / 34,098.24-47,053.72-18,781.81

Finding the Fourth Proportional to 34,098.24, 47,053.72 and 18,781.81

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Solution

The fourth proportional to 34,098.24, 47,053.72 and 18,781.81 is: 25,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,098.24 : 47,053.72 = 18,781.81 : x
  2. Step 2: Convert to fraction form
    34,098.24/47,053.72 = 18,781.81/x
  3. Step 3: Cross multiply
    34,098.24x = 47,053.72 × 18,781.81
  4. Step 4: Simplify right side
    34,098.24x = 883,753,699.66
  5. Step 5: Solve for x
    x = 883,753,699.66/34,098.24
  6. Step 6: Final answer
    x = 25,917.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.