Home / 49,272.60-73,908.90-18,103.80

Finding the Fourth Proportional to 49,272.60, 73,908.90 and 18,103.80

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Solution

The fourth proportional to 49,272.60, 73,908.90 and 18,103.80 is: 27,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,272.60 : 73,908.90 = 18,103.80 : x
  2. Step 2: Convert to fraction form
    49,272.60/73,908.90 = 18,103.80/x
  3. Step 3: Cross multiply
    49,272.60x = 73,908.90 × 18,103.80
  4. Step 4: Simplify right side
    49,272.60x = 1,338,031,943.82
  5. Step 5: Solve for x
    x = 1,338,031,943.82/49,272.60
  6. Step 6: Final answer
    x = 27,155.70

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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.