Home / 48,149.86-66,444.42-26,638.78

Finding the Fourth Proportional to 48,149.86, 66,444.42 and 26,638.78

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Solution

The fourth proportional to 48,149.86, 66,444.42 and 26,638.78 is: 36,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,149.86 : 66,444.42 = 26,638.78 : x
  2. Step 2: Convert to fraction form
    48,149.86/66,444.42 = 26,638.78/x
  3. Step 3: Cross multiply
    48,149.86x = 66,444.42 × 26,638.78
  4. Step 4: Simplify right side
    48,149.86x = 1,769,998,286.61
  5. Step 5: Solve for x
    x = 1,769,998,286.61/48,149.86
  6. Step 6: Final answer
    x = 36,760.20

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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.