Home / 54,872.08-75,723.40-29,721.68

Finding the Fourth Proportional to 54,872.08, 75,723.40 and 29,721.68

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Solution

The fourth proportional to 54,872.08, 75,723.40 and 29,721.68 is: 41,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,872.08 : 75,723.40 = 29,721.68 : x
  2. Step 2: Convert to fraction form
    54,872.08/75,723.40 = 29,721.68/x
  3. Step 3: Cross multiply
    54,872.08x = 75,723.40 × 29,721.68
  4. Step 4: Simplify right side
    54,872.08x = 2,250,626,663.31
  5. Step 5: Solve for x
    x = 2,250,626,663.31/54,872.08
  6. Step 6: Final answer
    x = 41,015.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.