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Finding the Fourth Proportional to 48,310.41, 66,669.03 and 36,189.42

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Solution

The fourth proportional to 48,310.41, 66,669.03 and 36,189.42 is: 49,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,310.41 : 66,669.03 = 36,189.42 : x
  2. Step 2: Convert to fraction form
    48,310.41/66,669.03 = 36,189.42/x
  3. Step 3: Cross multiply
    48,310.41x = 66,669.03 × 36,189.42
  4. Step 4: Simplify right side
    48,310.41x = 2,412,713,527.66
  5. Step 5: Solve for x
    x = 2,412,713,527.66/48,310.41
  6. Step 6: Final answer
    x = 49,941.90

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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.