Home / 39,531.04-54,554.18-22,537.78

Finding the Fourth Proportional to 39,531.04, 54,554.18 and 22,537.78

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Solution

The fourth proportional to 39,531.04, 54,554.18 and 22,537.78 is: 31,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,531.04 : 54,554.18 = 22,537.78 : x
  2. Step 2: Convert to fraction form
    39,531.04/54,554.18 = 22,537.78/x
  3. Step 3: Cross multiply
    39,531.04x = 54,554.18 × 22,537.78
  4. Step 4: Simplify right side
    39,531.04x = 1,229,529,857.85
  5. Step 5: Solve for x
    x = 1,229,529,857.85/39,531.04
  6. Step 6: Final answer
    x = 31,102.90

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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.