Home / 52,564.20-78,716.70-34,938.60

Finding the Fourth Proportional to 52,564.20, 78,716.70 and 34,938.60

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Solution

The fourth proportional to 52,564.20, 78,716.70 and 34,938.60 is: 52,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,564.20 : 78,716.70 = 34,938.60 : x
  2. Step 2: Convert to fraction form
    52,564.20/78,716.70 = 34,938.60/x
  3. Step 3: Cross multiply
    52,564.20x = 78,716.70 × 34,938.60
  4. Step 4: Simplify right side
    52,564.20x = 2,750,251,294.62
  5. Step 5: Solve for x
    x = 2,750,251,294.62/52,564.20
  6. Step 6: Final answer
    x = 52,321.76

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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.