Home / 69,432.30-104,002.65-38,231.10

Finding the Fourth Proportional to 69,432.30, 104,002.65 and 38,231.10

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Solution

The fourth proportional to 69,432.30, 104,002.65 and 38,231.10 is: 57,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,432.30 : 104,002.65 = 38,231.10 : x
  2. Step 2: Convert to fraction form
    69,432.30/104,002.65 = 38,231.10/x
  3. Step 3: Cross multiply
    69,432.30x = 104,002.65 × 38,231.10
  4. Step 4: Simplify right side
    69,432.30x = 3,976,135,712.42
  5. Step 5: Solve for x
    x = 3,976,135,712.42/69,432.30
  6. Step 6: Final answer
    x = 57,266.37

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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.