Home / 54,042.14-81,115.49-25,981.56

Finding the Fourth Proportional to 54,042.14, 81,115.49 and 25,981.56

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Solution

The fourth proportional to 54,042.14, 81,115.49 and 25,981.56 is: 38,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,042.14 : 81,115.49 = 25,981.56 : x
  2. Step 2: Convert to fraction form
    54,042.14/81,115.49 = 25,981.56/x
  3. Step 3: Cross multiply
    54,042.14x = 81,115.49 × 25,981.56
  4. Step 4: Simplify right side
    54,042.14x = 2,107,506,925.71
  5. Step 5: Solve for x
    x = 2,107,506,925.71/54,042.14
  6. Step 6: Final answer
    x = 38,997.48

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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.