Home / 38,537.88-57,784.86-15,151.56

Finding the Fourth Proportional to 38,537.88, 57,784.86 and 15,151.56

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Solution

The fourth proportional to 38,537.88, 57,784.86 and 15,151.56 is: 22,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,537.88 : 57,784.86 = 15,151.56 : x
  2. Step 2: Convert to fraction form
    38,537.88/57,784.86 = 15,151.56/x
  3. Step 3: Cross multiply
    38,537.88x = 57,784.86 × 15,151.56
  4. Step 4: Simplify right side
    38,537.88x = 875,530,773.38
  5. Step 5: Solve for x
    x = 875,530,773.38/38,537.88
  6. Step 6: Final answer
    x = 22,718.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.