Home / 54,992.25-82,488.38-19,931.94

Finding the Fourth Proportional to 54,992.25, 82,488.38 and 19,931.94

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Solution

The fourth proportional to 54,992.25, 82,488.38 and 19,931.94 is: 29,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,992.25 : 82,488.38 = 19,931.94 : x
  2. Step 2: Convert to fraction form
    54,992.25/82,488.38 = 19,931.94/x
  3. Step 3: Cross multiply
    54,992.25x = 82,488.38 × 19,931.94
  4. Step 4: Simplify right side
    54,992.25x = 1,644,153,341.20
  5. Step 5: Solve for x
    x = 1,644,153,341.20/54,992.25
  6. Step 6: Final answer
    x = 29,897.91

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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.