Home / 40,725.91-61,098.43-12,644.52

Finding the Fourth Proportional to 40,725.91, 61,098.43 and 12,644.52

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Solution

The fourth proportional to 40,725.91, 61,098.43 and 12,644.52 is: 18,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,725.91 : 61,098.43 = 12,644.52 : x
  2. Step 2: Convert to fraction form
    40,725.91/61,098.43 = 12,644.52/x
  3. Step 3: Cross multiply
    40,725.91x = 61,098.43 × 12,644.52
  4. Step 4: Simplify right side
    40,725.91x = 772,560,014.61
  5. Step 5: Solve for x
    x = 772,560,014.61/40,725.91
  6. Step 6: Final answer
    x = 18,969.74

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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.