Home / 43,910.38-65,868.49-15,443.91

Finding the Fourth Proportional to 43,910.38, 65,868.49 and 15,443.91

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Solution

The fourth proportional to 43,910.38, 65,868.49 and 15,443.91 is: 23,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,910.38 : 65,868.49 = 15,443.91 : x
  2. Step 2: Convert to fraction form
    43,910.38/65,868.49 = 15,443.91/x
  3. Step 3: Cross multiply
    43,910.38x = 65,868.49 × 15,443.91
  4. Step 4: Simplify right side
    43,910.38x = 1,017,267,031.40
  5. Step 5: Solve for x
    x = 1,017,267,031.40/43,910.38
  6. Step 6: Final answer
    x = 23,166.89

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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.