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Finding the Fourth Proportional to 45,671.75, 68,523.13 and 24,613.90

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Solution

The fourth proportional to 45,671.75, 68,523.13 and 24,613.90 is: 36,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,671.75 : 68,523.13 = 24,613.90 : x
  2. Step 2: Convert to fraction form
    45,671.75/68,523.13 = 24,613.90/x
  3. Step 3: Cross multiply
    45,671.75x = 68,523.13 × 24,613.90
  4. Step 4: Simplify right side
    45,671.75x = 1,686,621,003.82
  5. Step 5: Solve for x
    x = 1,686,621,003.82/45,671.75
  6. Step 6: Final answer
    x = 36,929.20

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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.