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Finding the Fourth Proportional to 48,186.88, 72,422.88 and 39,919.84

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Solution

The fourth proportional to 48,186.88, 72,422.88 and 39,919.84 is: 59,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,186.88 : 72,422.88 = 39,919.84 : x
  2. Step 2: Convert to fraction form
    48,186.88/72,422.88 = 39,919.84/x
  3. Step 3: Cross multiply
    48,186.88x = 72,422.88 × 39,919.84
  4. Step 4: Simplify right side
    48,186.88x = 2,891,109,781.94
  5. Step 5: Solve for x
    x = 2,891,109,781.94/48,186.88
  6. Step 6: Final answer
    x = 59,997.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.