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Finding the Fourth Proportional to 36,517.71, 54,776.00 and 18,738.12

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Solution

The fourth proportional to 36,517.71, 54,776.00 and 18,738.12 is: 28,106.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,517.71 : 54,776.00 = 18,738.12 : x
  2. Step 2: Convert to fraction form
    36,517.71/54,776.00 = 18,738.12/x
  3. Step 3: Cross multiply
    36,517.71x = 54,776.00 × 18,738.12
  4. Step 4: Simplify right side
    36,517.71x = 1,026,399,032.29
  5. Step 5: Solve for x
    x = 1,026,399,032.29/36,517.71
  6. Step 6: Final answer
    x = 28,106.88

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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.