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Finding the Fourth Proportional to 36,246.49, 50,020.12 and 20,330.80

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Solution

The fourth proportional to 36,246.49, 50,020.12 and 20,330.80 is: 28,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,246.49 : 50,020.12 = 20,330.80 : x
  2. Step 2: Convert to fraction form
    36,246.49/50,020.12 = 20,330.80/x
  3. Step 3: Cross multiply
    36,246.49x = 50,020.12 × 20,330.80
  4. Step 4: Simplify right side
    36,246.49x = 1,016,949,055.70
  5. Step 5: Solve for x
    x = 1,016,949,055.70/36,246.49
  6. Step 6: Final answer
    x = 28,056.48

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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.