Home / 36,003.08-49,679.31-20,084.45

Finding the Fourth Proportional to 36,003.08, 49,679.31 and 20,084.45

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Solution

The fourth proportional to 36,003.08, 49,679.31 and 20,084.45 is: 27,713.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,003.08 : 49,679.31 = 20,084.45 : x
  2. Step 2: Convert to fraction form
    36,003.08/49,679.31 = 20,084.45/x
  3. Step 3: Cross multiply
    36,003.08x = 49,679.31 × 20,084.45
  4. Step 4: Simplify right side
    36,003.08x = 997,781,517.31
  5. Step 5: Solve for x
    x = 997,781,517.31/36,003.08
  6. Step 6: Final answer
    x = 27,713.79

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1.5x scale

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.