Home / 51,129.60-76,592.28-40,617.36

Finding the Fourth Proportional to 51,129.60, 76,592.28 and 40,617.36

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Solution

The fourth proportional to 51,129.60, 76,592.28 and 40,617.36 is: 60,844.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,129.60 : 76,592.28 = 40,617.36 : x
  2. Step 2: Convert to fraction form
    51,129.60/76,592.28 = 40,617.36/x
  3. Step 3: Cross multiply
    51,129.60x = 76,592.28 × 40,617.36
  4. Step 4: Simplify right side
    51,129.60x = 3,110,976,209.98
  5. Step 5: Solve for x
    x = 3,110,976,209.98/51,129.60
  6. Step 6: Final answer
    x = 60,844.92

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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.