Home / 31,987.62-44,143.08-17,647.95

Finding the Fourth Proportional to 31,987.62, 44,143.08 and 17,647.95

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Solution

The fourth proportional to 31,987.62, 44,143.08 and 17,647.95 is: 24,354.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,987.62 : 44,143.08 = 17,647.95 : x
  2. Step 2: Convert to fraction form
    31,987.62/44,143.08 = 17,647.95/x
  3. Step 3: Cross multiply
    31,987.62x = 44,143.08 × 17,647.95
  4. Step 4: Simplify right side
    31,987.62x = 779,034,868.69
  5. Step 5: Solve for x
    x = 779,034,868.69/31,987.62
  6. Step 6: Final answer
    x = 24,354.26

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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.