Home / 69,871.28-96,419.46-38,040.10

Finding the Fourth Proportional to 69,871.28, 96,419.46 and 38,040.10

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Solution

The fourth proportional to 69,871.28, 96,419.46 and 38,040.10 is: 52,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871.28 : 96,419.46 = 38,040.10 : x
  2. Step 2: Convert to fraction form
    69,871.28/96,419.46 = 38,040.10/x
  3. Step 3: Cross multiply
    69,871.28x = 96,419.46 × 38,040.10
  4. Step 4: Simplify right side
    69,871.28x = 3,667,805,801.95
  5. Step 5: Solve for x
    x = 3,667,805,801.95/69,871.28
  6. Step 6: Final answer
    x = 52,493.76

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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.