Home / 45,660.38-63,006.90-28,659.18

Finding the Fourth Proportional to 45,660.38, 63,006.90 and 28,659.18

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Solution

The fourth proportional to 45,660.38, 63,006.90 and 28,659.18 is: 39,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,660.38 : 63,006.90 = 28,659.18 : x
  2. Step 2: Convert to fraction form
    45,660.38/63,006.90 = 28,659.18/x
  3. Step 3: Cross multiply
    45,660.38x = 63,006.90 × 28,659.18
  4. Step 4: Simplify right side
    45,660.38x = 1,805,726,217.15
  5. Step 5: Solve for x
    x = 1,805,726,217.15/45,660.38
  6. Step 6: Final answer
    x = 39,546.90

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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.