Home / 57,371.49-79,170.62-31,877.55

Finding the Fourth Proportional to 57,371.49, 79,170.62 and 31,877.55

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Solution

The fourth proportional to 57,371.49, 79,170.62 and 31,877.55 is: 43,989.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,371.49 : 79,170.62 = 31,877.55 : x
  2. Step 2: Convert to fraction form
    57,371.49/79,170.62 = 31,877.55/x
  3. Step 3: Cross multiply
    57,371.49x = 79,170.62 × 31,877.55
  4. Step 4: Simplify right side
    57,371.49x = 2,523,765,238.19
  5. Step 5: Solve for x
    x = 2,523,765,238.19/57,371.49
  6. Step 6: Final answer
    x = 43,989.88

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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.