Home / 49,420.74-68,195.40-27,909.20

Finding the Fourth Proportional to 49,420.74, 68,195.40 and 27,909.20

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Solution

The fourth proportional to 49,420.74, 68,195.40 and 27,909.20 is: 38,511.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420.74 : 68,195.40 = 27,909.20 : x
  2. Step 2: Convert to fraction form
    49,420.74/68,195.40 = 27,909.20/x
  3. Step 3: Cross multiply
    49,420.74x = 68,195.40 × 27,909.20
  4. Step 4: Simplify right side
    49,420.74x = 1,903,278,716.70
  5. Step 5: Solve for x
    x = 1,903,278,716.70/49,420.74
  6. Step 6: Final answer
    x = 38,511.74

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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.