Home / 51,915.54-71,641.89-29,255.79

Finding the Fourth Proportional to 51,915.54, 71,641.89 and 29,255.79

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Solution

The fourth proportional to 51,915.54, 71,641.89 and 29,255.79 is: 40,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,915.54 : 71,641.89 = 29,255.79 : x
  2. Step 2: Convert to fraction form
    51,915.54/71,641.89 = 29,255.79/x
  3. Step 3: Cross multiply
    51,915.54x = 71,641.89 × 29,255.79
  4. Step 4: Simplify right side
    51,915.54x = 2,095,940,089.04
  5. Step 5: Solve for x
    x = 2,095,940,089.04/51,915.54
  6. Step 6: Final answer
    x = 40,372.11

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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.