Home / 54,290.34-81,384.45-27,988.02

Finding the Fourth Proportional to 54,290.34, 81,384.45 and 27,988.02

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Solution

The fourth proportional to 54,290.34, 81,384.45 and 27,988.02 is: 41,955.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,290.34 : 81,384.45 = 27,988.02 : x
  2. Step 2: Convert to fraction form
    54,290.34/81,384.45 = 27,988.02/x
  3. Step 3: Cross multiply
    54,290.34x = 81,384.45 × 27,988.02
  4. Step 4: Simplify right side
    54,290.34x = 2,277,789,614.29
  5. Step 5: Solve for x
    x = 2,277,789,614.29/54,290.34
  6. Step 6: Final answer
    x = 41,955.71

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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.