Home / 31,758.25-43,823.23-18,333.83

Finding the Fourth Proportional to 31,758.25, 43,823.23 and 18,333.83

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Solution

The fourth proportional to 31,758.25, 43,823.23 and 18,333.83 is: 25,298.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,758.25 : 43,823.23 = 18,333.83 : x
  2. Step 2: Convert to fraction form
    31,758.25/43,823.23 = 18,333.83/x
  3. Step 3: Cross multiply
    31,758.25x = 43,823.23 × 18,333.83
  4. Step 4: Simplify right side
    31,758.25x = 803,447,648.87
  5. Step 5: Solve for x
    x = 803,447,648.87/31,758.25
  6. Step 6: Final answer
    x = 25,298.86

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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.