Home / 39,854.50-54,998.07-21,704.52

Finding the Fourth Proportional to 39,854.50, 54,998.07 and 21,704.52

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Solution

The fourth proportional to 39,854.50, 54,998.07 and 21,704.52 is: 29,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,854.50 : 54,998.07 = 21,704.52 : x
  2. Step 2: Convert to fraction form
    39,854.50/54,998.07 = 21,704.52/x
  3. Step 3: Cross multiply
    39,854.50x = 54,998.07 × 21,704.52
  4. Step 4: Simplify right side
    39,854.50x = 1,193,706,835.13
  5. Step 5: Solve for x
    x = 1,193,706,835.13/39,854.50
  6. Step 6: Final answer
    x = 29,951.62

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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.