Home / 57,387.29-79,194.38-31,892.85

Finding the Fourth Proportional to 57,387.29, 79,194.38 and 31,892.85

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Solution

The fourth proportional to 57,387.29, 79,194.38 and 31,892.85 is: 44,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,387.29 : 79,194.38 = 31,892.85 : x
  2. Step 2: Convert to fraction form
    57,387.29/79,194.38 = 31,892.85/x
  3. Step 3: Cross multiply
    57,387.29x = 79,194.38 × 31,892.85
  4. Step 4: Simplify right side
    57,387.29x = 2,525,734,322.72
  5. Step 5: Solve for x
    x = 2,525,734,322.72/57,387.29
  6. Step 6: Final answer
    x = 44,012.09

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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.