Home / 39,735.28-54,821.30-22,505.29

Finding the Fourth Proportional to 39,735.28, 54,821.30 and 22,505.29

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Solution

The fourth proportional to 39,735.28, 54,821.30 and 22,505.29 is: 31,049.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,735.28 : 54,821.30 = 22,505.29 : x
  2. Step 2: Convert to fraction form
    39,735.28/54,821.30 = 22,505.29/x
  3. Step 3: Cross multiply
    39,735.28x = 54,821.30 × 22,505.29
  4. Step 4: Simplify right side
    39,735.28x = 1,233,769,254.68
  5. Step 5: Solve for x
    x = 1,233,769,254.68/39,735.28
  6. Step 6: Final answer
    x = 31,049.72

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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.