Home / 36,531.08-54,763.42-13,152.20

Finding the Fourth Proportional to 36,531.08, 54,763.42 and 13,152.20

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Solution

The fourth proportional to 36,531.08, 54,763.42 and 13,152.20 is: 19,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,531.08 : 54,763.42 = 13,152.20 : x
  2. Step 2: Convert to fraction form
    36,531.08/54,763.42 = 13,152.20/x
  3. Step 3: Cross multiply
    36,531.08x = 54,763.42 × 13,152.20
  4. Step 4: Simplify right side
    36,531.08x = 720,259,452.52
  5. Step 5: Solve for x
    x = 720,259,452.52/36,531.08
  6. Step 6: Final answer
    x = 19,716.35

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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.