Home / 61,418.20-84,750.24-34,560.13

Finding the Fourth Proportional to 61,418.20, 84,750.24 and 34,560.13

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Solution

The fourth proportional to 61,418.20, 84,750.24 and 34,560.13 is: 47,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,418.20 : 84,750.24 = 34,560.13 : x
  2. Step 2: Convert to fraction form
    61,418.20/84,750.24 = 34,560.13/x
  3. Step 3: Cross multiply
    61,418.20x = 84,750.24 × 34,560.13
  4. Step 4: Simplify right side
    61,418.20x = 2,928,979,311.93
  5. Step 5: Solve for x
    x = 2,928,979,311.93/61,418.20
  6. Step 6: Final answer
    x = 47,689.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.