Home / 49,272.59-73,909.28-21,190.70

Finding the Fourth Proportional to 49,272.59, 73,909.28 and 21,190.70

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Solution

The fourth proportional to 49,272.59, 73,909.28 and 21,190.70 is: 31,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,272.59 : 73,909.28 = 21,190.70 : x
  2. Step 2: Convert to fraction form
    49,272.59/73,909.28 = 21,190.70/x
  3. Step 3: Cross multiply
    49,272.59x = 73,909.28 × 21,190.70
  4. Step 4: Simplify right side
    49,272.59x = 1,566,189,063.13
  5. Step 5: Solve for x
    x = 1,566,189,063.13/49,272.59
  6. Step 6: Final answer
    x = 31,786.22

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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.