Home / 31,542.43-43,523.55-18,795.29

Finding the Fourth Proportional to 31,542.43, 43,523.55 and 18,795.29

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Solution

The fourth proportional to 31,542.43, 43,523.55 and 18,795.29 is: 25,934.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.43 : 43,523.55 = 18,795.29 : x
  2. Step 2: Convert to fraction form
    31,542.43/43,523.55 = 18,795.29/x
  3. Step 3: Cross multiply
    31,542.43x = 43,523.55 × 18,795.29
  4. Step 4: Simplify right side
    31,542.43x = 818,037,824.14
  5. Step 5: Solve for x
    x = 818,037,824.14/31,542.43
  6. Step 6: Final answer
    x = 25,934.53

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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.