Home / 52,704.76-78,930.46-30,147.08

Finding the Fourth Proportional to 52,704.76, 78,930.46 and 30,147.08

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Solution

The fourth proportional to 52,704.76, 78,930.46 and 30,147.08 is: 45,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,704.76 : 78,930.46 = 30,147.08 : x
  2. Step 2: Convert to fraction form
    52,704.76/78,930.46 = 30,147.08/x
  3. Step 3: Cross multiply
    52,704.76x = 78,930.46 × 30,147.08
  4. Step 4: Simplify right side
    52,704.76x = 2,379,522,892.06
  5. Step 5: Solve for x
    x = 2,379,522,892.06/52,704.76
  6. Step 6: Final answer
    x = 45,148.16

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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.