Home / 57,839.75-79,815.51-31,996.74

Finding the Fourth Proportional to 57,839.75, 79,815.51 and 31,996.74

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Solution

The fourth proportional to 57,839.75, 79,815.51 and 31,996.74 is: 44,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,839.75 : 79,815.51 = 31,996.74 : x
  2. Step 2: Convert to fraction form
    57,839.75/79,815.51 = 31,996.74/x
  3. Step 3: Cross multiply
    57,839.75x = 79,815.51 × 31,996.74
  4. Step 4: Simplify right side
    57,839.75x = 2,553,836,121.44
  5. Step 5: Solve for x
    x = 2,553,836,121.44/57,839.75
  6. Step 6: Final answer
    x = 44,153.65

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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.