Home / 54,298.62-81,447.12-27,988.20

Finding the Fourth Proportional to 54,298.62, 81,447.12 and 27,988.20

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Solution

The fourth proportional to 54,298.62, 81,447.12 and 27,988.20 is: 41,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,298.62 : 81,447.12 = 27,988.20 : x
  2. Step 2: Convert to fraction form
    54,298.62/81,447.12 = 27,988.20/x
  3. Step 3: Cross multiply
    54,298.62x = 81,447.12 × 27,988.20
  4. Step 4: Simplify right side
    54,298.62x = 2,279,558,283.98
  5. Step 5: Solve for x
    x = 2,279,558,283.98/54,298.62
  6. Step 6: Final answer
    x = 41,981.88

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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.