Home / 57,434.52-79,257.12-31,940.76

Finding the Fourth Proportional to 57,434.52, 79,257.12 and 31,940.76

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Solution

The fourth proportional to 57,434.52, 79,257.12 and 31,940.76 is: 44,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,434.52 : 79,257.12 = 31,940.76 : x
  2. Step 2: Convert to fraction form
    57,434.52/79,257.12 = 31,940.76/x
  3. Step 3: Cross multiply
    57,434.52x = 79,257.12 × 31,940.76
  4. Step 4: Simplify right side
    57,434.52x = 2,531,532,648.21
  5. Step 5: Solve for x
    x = 2,531,532,648.21/57,434.52
  6. Step 6: Final answer
    x = 44,076.85

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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.