Home / 52,542.90-78,815.70-15,101.46

Finding the Fourth Proportional to 52,542.90, 78,815.70 and 15,101.46

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Solution

The fourth proportional to 52,542.90, 78,815.70 and 15,101.46 is: 22,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,542.90 : 78,815.70 = 15,101.46 : x
  2. Step 2: Convert to fraction form
    52,542.90/78,815.70 = 15,101.46/x
  3. Step 3: Cross multiply
    52,542.90x = 78,815.70 × 15,101.46
  4. Step 4: Simplify right side
    52,542.90x = 1,190,232,140.92
  5. Step 5: Solve for x
    x = 1,190,232,140.92/52,542.90
  6. Step 6: Final answer
    x = 22,652.58

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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.