Home / 38,561.08-57,789.78-15,181.24

Finding the Fourth Proportional to 38,561.08, 57,789.78 and 15,181.24

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Solution

The fourth proportional to 38,561.08, 57,789.78 and 15,181.24 is: 22,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,561.08 : 57,789.78 = 15,181.24 : x
  2. Step 2: Convert to fraction form
    38,561.08/57,789.78 = 15,181.24/x
  3. Step 3: Cross multiply
    38,561.08x = 57,789.78 × 15,181.24
  4. Step 4: Simplify right side
    38,561.08x = 877,320,519.73
  5. Step 5: Solve for x
    x = 877,320,519.73/38,561.08
  6. Step 6: Final answer
    x = 22,751.45

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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.