Home / 36,551.25-54,829.61-20,750.18

Finding the Fourth Proportional to 36,551.25, 54,829.61 and 20,750.18

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Solution

The fourth proportional to 36,551.25, 54,829.61 and 20,750.18 is: 31,126.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,551.25 : 54,829.61 = 20,750.18 : x
  2. Step 2: Convert to fraction form
    36,551.25/54,829.61 = 20,750.18/x
  3. Step 3: Cross multiply
    36,551.25x = 54,829.61 × 20,750.18
  4. Step 4: Simplify right side
    36,551.25x = 1,137,723,976.74
  5. Step 5: Solve for x
    x = 1,137,723,976.74/36,551.25
  6. Step 6: Final answer
    x = 31,126.81

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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.