Home / 54,963.27-82,389.51-21,670.47

Finding the Fourth Proportional to 54,963.27, 82,389.51 and 21,670.47

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Solution

The fourth proportional to 54,963.27, 82,389.51 and 21,670.47 is: 32,483.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,963.27 : 82,389.51 = 21,670.47 : x
  2. Step 2: Convert to fraction form
    54,963.27/82,389.51 = 21,670.47/x
  3. Step 3: Cross multiply
    54,963.27x = 82,389.51 × 21,670.47
  4. Step 4: Simplify right side
    54,963.27x = 1,785,419,404.77
  5. Step 5: Solve for x
    x = 1,785,419,404.77/54,963.27
  6. Step 6: Final answer
    x = 32,483.86

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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.