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Finding the Fourth Proportional to 36,203, 54,255.18 and 18,635.72

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Solution

The fourth proportional to 36,203, 54,255.18 and 18,635.72 is: 27,928.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,203 : 54,255.18 = 18,635.72 : x
  2. Step 2: Convert to fraction form
    36,203/54,255.18 = 18,635.72/x
  3. Step 3: Cross multiply
    36,203x = 54,255.18 × 18,635.72
  4. Step 4: Simplify right side
    36,203x = 1,011,084,343.03
  5. Step 5: Solve for x
    x = 1,011,084,343.03/36,203
  6. Step 6: Final answer
    x = 27,928.19

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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.