Home / 35,247.20-48,640.91-20,144.48

Finding the Fourth Proportional to 35,247.20, 48,640.91 and 20,144.48

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Solution

The fourth proportional to 35,247.20, 48,640.91 and 20,144.48 is: 27,799.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,247.20 : 48,640.91 = 20,144.48 : x
  2. Step 2: Convert to fraction form
    35,247.20/48,640.91 = 20,144.48/x
  3. Step 3: Cross multiply
    35,247.20x = 48,640.91 × 20,144.48
  4. Step 4: Simplify right side
    35,247.20x = 979,845,494.75
  5. Step 5: Solve for x
    x = 979,845,494.75/35,247.20
  6. Step 6: Final answer
    x = 27,799.25

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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.