Home / 52,490.10-78,712.07-19,201.53

Finding the Fourth Proportional to 52,490.10, 78,712.07 and 19,201.53

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Solution

The fourth proportional to 52,490.10, 78,712.07 and 19,201.53 is: 28,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,490.10 : 78,712.07 = 19,201.53 : x
  2. Step 2: Convert to fraction form
    52,490.10/78,712.07 = 19,201.53/x
  3. Step 3: Cross multiply
    52,490.10x = 78,712.07 × 19,201.53
  4. Step 4: Simplify right side
    52,490.10x = 1,511,392,077.46
  5. Step 5: Solve for x
    x = 1,511,392,077.46/52,490.10
  6. Step 6: Final answer
    x = 28,793.85

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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.