Home / 51,008.20-76,512.30-38,566.60

Finding the Fourth Proportional to 51,008.20, 76,512.30 and 38,566.60

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Solution

The fourth proportional to 51,008.20, 76,512.30 and 38,566.60 is: 57,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,008.20 : 76,512.30 = 38,566.60 : x
  2. Step 2: Convert to fraction form
    51,008.20/76,512.30 = 38,566.60/x
  3. Step 3: Cross multiply
    51,008.20x = 76,512.30 × 38,566.60
  4. Step 4: Simplify right side
    51,008.20x = 2,950,819,269.18
  5. Step 5: Solve for x
    x = 2,950,819,269.18/51,008.20
  6. Step 6: Final answer
    x = 57,849.90

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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.