Home / 38,243.61-52,761.44-28,195.90

Finding the Fourth Proportional to 38,243.61, 52,761.44 and 28,195.90

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Solution

The fourth proportional to 38,243.61, 52,761.44 and 28,195.90 is: 38,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,243.61 : 52,761.44 = 28,195.90 : x
  2. Step 2: Convert to fraction form
    38,243.61/52,761.44 = 28,195.90/x
  3. Step 3: Cross multiply
    38,243.61x = 52,761.44 × 28,195.90
  4. Step 4: Simplify right side
    38,243.61x = 1,487,656,224.68
  5. Step 5: Solve for x
    x = 1,487,656,224.68/38,243.61
  6. Step 6: Final answer
    x = 38,899.47

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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.