Home / 36,381.54-54,572.13-31,436.04

Finding the Fourth Proportional to 36,381.54, 54,572.13 and 31,436.04

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Solution

The fourth proportional to 36,381.54, 54,572.13 and 31,436.04 is: 47,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,381.54 : 54,572.13 = 31,436.04 : x
  2. Step 2: Convert to fraction form
    36,381.54/54,572.13 = 31,436.04/x
  3. Step 3: Cross multiply
    36,381.54x = 54,572.13 × 31,436.04
  4. Step 4: Simplify right side
    36,381.54x = 1,715,531,661.57
  5. Step 5: Solve for x
    x = 1,715,531,661.57/36,381.54
  6. Step 6: Final answer
    x = 47,153.90

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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.