Home / 54,897.62-75,681.14-38,976.26

Finding the Fourth Proportional to 54,897.62, 75,681.14 and 38,976.26

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Solution

The fourth proportional to 54,897.62, 75,681.14 and 38,976.26 is: 53,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,897.62 : 75,681.14 = 38,976.26 : x
  2. Step 2: Convert to fraction form
    54,897.62/75,681.14 = 38,976.26/x
  3. Step 3: Cross multiply
    54,897.62x = 75,681.14 × 38,976.26
  4. Step 4: Simplify right side
    54,897.62x = 2,949,767,789.74
  5. Step 5: Solve for x
    x = 2,949,767,789.74/54,897.62
  6. Step 6: Final answer
    x = 53,732.16

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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.