Home / 35,489.28-53,233.92-19,917.84

Finding the Fourth Proportional to 35,489.28, 53,233.92 and 19,917.84

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Solution

The fourth proportional to 35,489.28, 53,233.92 and 19,917.84 is: 29,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,489.28 : 53,233.92 = 19,917.84 : x
  2. Step 2: Convert to fraction form
    35,489.28/53,233.92 = 19,917.84/x
  3. Step 3: Cross multiply
    35,489.28x = 53,233.92 × 19,917.84
  4. Step 4: Simplify right side
    35,489.28x = 1,060,304,701.13
  5. Step 5: Solve for x
    x = 1,060,304,701.13/35,489.28
  6. Step 6: Final answer
    x = 29,876.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.