Home / 35,151.26-48,505.33-20,042.78

Finding the Fourth Proportional to 35,151.26, 48,505.33 and 20,042.78

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Solution

The fourth proportional to 35,151.26, 48,505.33 and 20,042.78 is: 27,657.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,151.26 : 48,505.33 = 20,042.78 : x
  2. Step 2: Convert to fraction form
    35,151.26/48,505.33 = 20,042.78/x
  3. Step 3: Cross multiply
    35,151.26x = 48,505.33 × 20,042.78
  4. Step 4: Simplify right side
    35,151.26x = 972,181,658.02
  5. Step 5: Solve for x
    x = 972,181,658.02/35,151.26
  6. Step 6: Final answer
    x = 27,657.09

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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.