Home / 54,915.79-75,799.92-31,951.09

Finding the Fourth Proportional to 54,915.79, 75,799.92 and 31,951.09

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Solution

The fourth proportional to 54,915.79, 75,799.92 and 31,951.09 is: 44,101.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,915.79 : 75,799.92 = 31,951.09 : x
  2. Step 2: Convert to fraction form
    54,915.79/75,799.92 = 31,951.09/x
  3. Step 3: Cross multiply
    54,915.79x = 75,799.92 × 31,951.09
  4. Step 4: Simplify right side
    54,915.79x = 2,421,890,065.91
  5. Step 5: Solve for x
    x = 2,421,890,065.91/54,915.79
  6. Step 6: Final answer
    x = 44,101.89

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1.5x scale

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.