Home / 56,760.12-78,320.79-32,882.40

Finding the Fourth Proportional to 56,760.12, 78,320.79 and 32,882.40

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Solution

The fourth proportional to 56,760.12, 78,320.79 and 32,882.40 is: 45,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,760.12 : 78,320.79 = 32,882.40 : x
  2. Step 2: Convert to fraction form
    56,760.12/78,320.79 = 32,882.40/x
  3. Step 3: Cross multiply
    56,760.12x = 78,320.79 × 32,882.40
  4. Step 4: Simplify right side
    56,760.12x = 2,575,375,545.10
  5. Step 5: Solve for x
    x = 2,575,375,545.10/56,760.12
  6. Step 6: Final answer
    x = 45,372.98

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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.