Home / 36,414.63-54,638.96-18,874.89

Finding the Fourth Proportional to 36,414.63, 54,638.96 and 18,874.89

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Solution

The fourth proportional to 36,414.63, 54,638.96 and 18,874.89 is: 28,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,414.63 : 54,638.96 = 18,874.89 : x
  2. Step 2: Convert to fraction form
    36,414.63/54,638.96 = 18,874.89/x
  3. Step 3: Cross multiply
    36,414.63x = 54,638.96 × 18,874.89
  4. Step 4: Simplify right side
    36,414.63x = 1,031,304,265.34
  5. Step 5: Solve for x
    x = 1,031,304,265.34/36,414.63
  6. Step 6: Final answer
    x = 28,321.15

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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.