Home / 83,491.44-125,237.07-20,311.17

Finding the Fourth Proportional to 83,491.44, 125,237.07 and 20,311.17

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Solution

The fourth proportional to 83,491.44, 125,237.07 and 20,311.17 is: 30,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,491.44 : 125,237.07 = 20,311.17 : x
  2. Step 2: Convert to fraction form
    83,491.44/125,237.07 = 20,311.17/x
  3. Step 3: Cross multiply
    83,491.44x = 125,237.07 × 20,311.17
  4. Step 4: Simplify right side
    83,491.44x = 2,543,711,419.07
  5. Step 5: Solve for x
    x = 2,543,711,419.07/83,491.44
  6. Step 6: Final answer
    x = 30,466.73

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1.5x scale

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.