Home / 52,561.31-72,540.97-29,905.81

Finding the Fourth Proportional to 52,561.31, 72,540.97 and 29,905.81

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Solution

The fourth proportional to 52,561.31, 72,540.97 and 29,905.81 is: 41,273.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,561.31 : 72,540.97 = 29,905.81 : x
  2. Step 2: Convert to fraction form
    52,561.31/72,540.97 = 29,905.81/x
  3. Step 3: Cross multiply
    52,561.31x = 72,540.97 × 29,905.81
  4. Step 4: Simplify right side
    52,561.31x = 2,169,396,209.92
  5. Step 5: Solve for x
    x = 2,169,396,209.92/52,561.31
  6. Step 6: Final answer
    x = 41,273.64

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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.