Home / 52,034.48-78,052.16-12,591.62

Finding the Fourth Proportional to 52,034.48, 78,052.16 and 12,591.62

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Solution

The fourth proportional to 52,034.48, 78,052.16 and 12,591.62 is: 18,887.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,034.48 : 78,052.16 = 12,591.62 : x
  2. Step 2: Convert to fraction form
    52,034.48/78,052.16 = 12,591.62/x
  3. Step 3: Cross multiply
    52,034.48x = 78,052.16 × 12,591.62
  4. Step 4: Simplify right side
    52,034.48x = 982,802,685.68
  5. Step 5: Solve for x
    x = 982,802,685.68/52,034.48
  6. Step 6: Final answer
    x = 18,887.53

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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.