Home / 40,915.89-61,392.45-19,844.55

Finding the Fourth Proportional to 40,915.89, 61,392.45 and 19,844.55

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Solution

The fourth proportional to 40,915.89, 61,392.45 and 19,844.55 is: 29,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,915.89 : 61,392.45 = 19,844.55 : x
  2. Step 2: Convert to fraction form
    40,915.89/61,392.45 = 19,844.55/x
  3. Step 3: Cross multiply
    40,915.89x = 61,392.45 × 19,844.55
  4. Step 4: Simplify right side
    40,915.89x = 1,218,305,543.65
  5. Step 5: Solve for x
    x = 1,218,305,543.65/40,915.89
  6. Step 6: Final answer
    x = 29,775.85

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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.