Home / 71,516.66-107,291.18-38,219.18

Finding the Fourth Proportional to 71,516.66, 107,291.18 and 38,219.18

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Solution

The fourth proportional to 71,516.66, 107,291.18 and 38,219.18 is: 57,337.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,516.66 : 107,291.18 = 38,219.18 : x
  2. Step 2: Convert to fraction form
    71,516.66/107,291.18 = 38,219.18/x
  3. Step 3: Cross multiply
    71,516.66x = 107,291.18 × 38,219.18
  4. Step 4: Simplify right side
    71,516.66x = 4,100,580,479.92
  5. Step 5: Solve for x
    x = 4,100,580,479.92/71,516.66
  6. Step 6: Final answer
    x = 57,337.42

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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.