Home / 39,795.60-54,909.72-22,800.72

Finding the Fourth Proportional to 39,795.60, 54,909.72 and 22,800.72

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Solution

The fourth proportional to 39,795.60, 54,909.72 and 22,800.72 is: 31,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,795.60 : 54,909.72 = 22,800.72 : x
  2. Step 2: Convert to fraction form
    39,795.60/54,909.72 = 22,800.72/x
  3. Step 3: Cross multiply
    39,795.60x = 54,909.72 × 22,800.72
  4. Step 4: Simplify right side
    39,795.60x = 1,251,981,151.00
  5. Step 5: Solve for x
    x = 1,251,981,151.00/39,795.60
  6. Step 6: Final answer
    x = 31,460.29

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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.