Home / 51,272.70-76,921.20-26,316.60

Finding the Fourth Proportional to 51,272.70, 76,921.20 and 26,316.60

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Solution

The fourth proportional to 51,272.70, 76,921.20 and 26,316.60 is: 39,481.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,272.70 : 76,921.20 = 26,316.60 : x
  2. Step 2: Convert to fraction form
    51,272.70/76,921.20 = 26,316.60/x
  3. Step 3: Cross multiply
    51,272.70x = 76,921.20 × 26,316.60
  4. Step 4: Simplify right side
    51,272.70x = 2,024,304,451.92
  5. Step 5: Solve for x
    x = 2,024,304,451.92/51,272.70
  6. Step 6: Final answer
    x = 39,481.14

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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.