Home / 57,488.68-79,338.26-31,997.15

Finding the Fourth Proportional to 57,488.68, 79,338.26 and 31,997.15

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Solution

The fourth proportional to 57,488.68, 79,338.26 and 31,997.15 is: 44,158.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,488.68 : 79,338.26 = 31,997.15 : x
  2. Step 2: Convert to fraction form
    57,488.68/79,338.26 = 31,997.15/x
  3. Step 3: Cross multiply
    57,488.68x = 79,338.26 × 31,997.15
  4. Step 4: Simplify right side
    57,488.68x = 2,538,597,709.28
  5. Step 5: Solve for x
    x = 2,538,597,709.28/57,488.68
  6. Step 6: Final answer
    x = 44,158.22

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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.