Home / 54,129.52-81,186.57-18,590.25

Finding the Fourth Proportional to 54,129.52, 81,186.57 and 18,590.25

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Solution

The fourth proportional to 54,129.52, 81,186.57 and 18,590.25 is: 27,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,129.52 : 81,186.57 = 18,590.25 : x
  2. Step 2: Convert to fraction form
    54,129.52/81,186.57 = 18,590.25/x
  3. Step 3: Cross multiply
    54,129.52x = 81,186.57 × 18,590.25
  4. Step 4: Simplify right side
    54,129.52x = 1,509,278,632.94
  5. Step 5: Solve for x
    x = 1,509,278,632.94/54,129.52
  6. Step 6: Final answer
    x = 27,882.73

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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.