Home / 43,640.20-60,207.78-27,728.20

Finding the Fourth Proportional to 43,640.20, 60,207.78 and 27,728.20

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Solution

The fourth proportional to 43,640.20, 60,207.78 and 27,728.20 is: 38,254.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,640.20 : 60,207.78 = 27,728.20 : x
  2. Step 2: Convert to fraction form
    43,640.20/60,207.78 = 27,728.20/x
  3. Step 3: Cross multiply
    43,640.20x = 60,207.78 × 27,728.20
  4. Step 4: Simplify right side
    43,640.20x = 1,669,453,365.40
  5. Step 5: Solve for x
    x = 1,669,453,365.40/43,640.20
  6. Step 6: Final answer
    x = 38,254.94

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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.