Home / 54,720.08-82,031.40-21,463.88

Finding the Fourth Proportional to 54,720.08, 82,031.40 and 21,463.88

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Solution

The fourth proportional to 54,720.08, 82,031.40 and 21,463.88 is: 32,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,720.08 : 82,031.40 = 21,463.88 : x
  2. Step 2: Convert to fraction form
    54,720.08/82,031.40 = 21,463.88/x
  3. Step 3: Cross multiply
    54,720.08x = 82,031.40 × 21,463.88
  4. Step 4: Simplify right side
    54,720.08x = 1,760,712,125.83
  5. Step 5: Solve for x
    x = 1,760,712,125.83/54,720.08
  6. Step 6: Final answer
    x = 32,176.71

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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.