Home / 37,138.80-55,546.20-33,218.40

Finding the Fourth Proportional to 37,138.80, 55,546.20 and 33,218.40

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Solution

The fourth proportional to 37,138.80, 55,546.20 and 33,218.40 is: 49,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,138.80 : 55,546.20 = 33,218.40 : x
  2. Step 2: Convert to fraction form
    37,138.80/55,546.20 = 33,218.40/x
  3. Step 3: Cross multiply
    37,138.80x = 55,546.20 × 33,218.40
  4. Step 4: Simplify right side
    37,138.80x = 1,845,155,890.08
  5. Step 5: Solve for x
    x = 1,845,155,890.08/37,138.80
  6. Step 6: Final answer
    x = 49,682.70

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1.5x scale

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.