Home / 31,860.13-43,961.80-17,712.61

Finding the Fourth Proportional to 31,860.13, 43,961.80 and 17,712.61

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Solution

The fourth proportional to 31,860.13, 43,961.80 and 17,712.61 is: 24,440.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,860.13 : 43,961.80 = 17,712.61 : x
  2. Step 2: Convert to fraction form
    31,860.13/43,961.80 = 17,712.61/x
  3. Step 3: Cross multiply
    31,860.13x = 43,961.80 × 17,712.61
  4. Step 4: Simplify right side
    31,860.13x = 778,678,218.30
  5. Step 5: Solve for x
    x = 778,678,218.30/31,860.13
  6. Step 6: Final answer
    x = 24,440.52

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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.