Home / 54,789.52-75,609-29,638.48

Finding the Fourth Proportional to 54,789.52, 75,609 and 29,638.48

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Solution

The fourth proportional to 54,789.52, 75,609 and 29,638.48 is: 40,900.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,789.52 : 75,609 = 29,638.48 : x
  2. Step 2: Convert to fraction form
    54,789.52/75,609 = 29,638.48/x
  3. Step 3: Cross multiply
    54,789.52x = 75,609 × 29,638.48
  4. Step 4: Simplify right side
    54,789.52x = 2,240,935,834.32
  5. Step 5: Solve for x
    x = 2,240,935,834.32/54,789.52
  6. Step 6: Final answer
    x = 40,900.81

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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.