Home / 35,255.22-48,651.75-20,147.72

Finding the Fourth Proportional to 35,255.22, 48,651.75 and 20,147.72

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Solution

The fourth proportional to 35,255.22, 48,651.75 and 20,147.72 is: 27,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,255.22 : 48,651.75 = 20,147.72 : x
  2. Step 2: Convert to fraction form
    35,255.22/48,651.75 = 20,147.72/x
  3. Step 3: Cross multiply
    35,255.22x = 48,651.75 × 20,147.72
  4. Step 4: Simplify right side
    35,255.22x = 980,221,593.25
  5. Step 5: Solve for x
    x = 980,221,593.25/35,255.22
  6. Step 6: Final answer
    x = 27,803.59

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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.