Home / 52,414.20-78,621.30-42,046.20

Finding the Fourth Proportional to 52,414.20, 78,621.30 and 42,046.20

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Solution

The fourth proportional to 52,414.20, 78,621.30 and 42,046.20 is: 63,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,414.20 : 78,621.30 = 42,046.20 : x
  2. Step 2: Convert to fraction form
    52,414.20/78,621.30 = 42,046.20/x
  3. Step 3: Cross multiply
    52,414.20x = 78,621.30 × 42,046.20
  4. Step 4: Simplify right side
    52,414.20x = 3,305,726,904.06
  5. Step 5: Solve for x
    x = 3,305,726,904.06/52,414.20
  6. Step 6: Final answer
    x = 63,069.30

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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.