Home / 35,149.26-48,502.58-20,040.78

Finding the Fourth Proportional to 35,149.26, 48,502.58 and 20,040.78

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Solution

The fourth proportional to 35,149.26, 48,502.58 and 20,040.78 is: 27,654.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,149.26 : 48,502.58 = 20,040.78 : x
  2. Step 2: Convert to fraction form
    35,149.26/48,502.58 = 20,040.78/x
  3. Step 3: Cross multiply
    35,149.26x = 48,502.58 × 20,040.78
  4. Step 4: Simplify right side
    35,149.26x = 972,029,435.01
  5. Step 5: Solve for x
    x = 972,029,435.01/35,149.26
  6. Step 6: Final answer
    x = 27,654.34

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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.