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Finding the Fourth Proportional to 48,364.59, 66,743.78 and 36,243.53

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Solution

The fourth proportional to 48,364.59, 66,743.78 and 36,243.53 is: 50,016.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,364.59 : 66,743.78 = 36,243.53 : x
  2. Step 2: Convert to fraction form
    48,364.59/66,743.78 = 36,243.53/x
  3. Step 3: Cross multiply
    48,364.59x = 66,743.78 × 36,243.53
  4. Step 4: Simplify right side
    48,364.59x = 2,419,029,677.81
  5. Step 5: Solve for x
    x = 2,419,029,677.81/48,364.59
  6. Step 6: Final answer
    x = 50,016.54

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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.