Home / 54,642.27-75,411.74-31,979.91

Finding the Fourth Proportional to 54,642.27, 75,411.74 and 31,979.91

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Solution

The fourth proportional to 54,642.27, 75,411.74 and 31,979.91 is: 44,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,642.27 : 75,411.74 = 31,979.91 : x
  2. Step 2: Convert to fraction form
    54,642.27/75,411.74 = 31,979.91/x
  3. Step 3: Cross multiply
    54,642.27x = 75,411.74 × 31,979.91
  4. Step 4: Simplify right side
    54,642.27x = 2,411,660,658.14
  5. Step 5: Solve for x
    x = 2,411,660,658.14/54,642.27
  6. Step 6: Final answer
    x = 44,135.44

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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.