Home / 54,713.97-82,047.71-21,428.73

Finding the Fourth Proportional to 54,713.97, 82,047.71 and 21,428.73

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Solution

The fourth proportional to 54,713.97, 82,047.71 and 21,428.73 is: 32,133.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,713.97 : 82,047.71 = 21,428.73 : x
  2. Step 2: Convert to fraction form
    54,713.97/82,047.71 = 21,428.73/x
  3. Step 3: Cross multiply
    54,713.97x = 82,047.71 × 21,428.73
  4. Step 4: Simplify right side
    54,713.97x = 1,758,178,278.28
  5. Step 5: Solve for x
    x = 1,758,178,278.28/54,713.97
  6. Step 6: Final answer
    x = 32,133.99

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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.