Home / 57,454.47-79,286.04-31,960.31

Finding the Fourth Proportional to 57,454.47, 79,286.04 and 31,960.31

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Solution

The fourth proportional to 57,454.47, 79,286.04 and 31,960.31 is: 44,104.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,454.47 : 79,286.04 = 31,960.31 : x
  2. Step 2: Convert to fraction form
    57,454.47/79,286.04 = 31,960.31/x
  3. Step 3: Cross multiply
    57,454.47x = 79,286.04 × 31,960.31
  4. Step 4: Simplify right side
    57,454.47x = 2,534,006,020.64
  5. Step 5: Solve for x
    x = 2,534,006,020.64/57,454.47
  6. Step 6: Final answer
    x = 44,104.59

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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.