Home / 40,992.26-61,488.41-31,645.93

Finding the Fourth Proportional to 40,992.26, 61,488.41 and 31,645.93

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Solution

The fourth proportional to 40,992.26, 61,488.41 and 31,645.93 is: 47,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,992.26 : 61,488.41 = 31,645.93 : x
  2. Step 2: Convert to fraction form
    40,992.26/61,488.41 = 31,645.93/x
  3. Step 3: Cross multiply
    40,992.26x = 61,488.41 × 31,645.93
  4. Step 4: Simplify right side
    40,992.26x = 1,945,857,918.67
  5. Step 5: Solve for x
    x = 1,945,857,918.67/40,992.26
  6. Step 6: Final answer
    x = 47,468.91

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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.