Home / 36,100.62-54,159.84-12,408.57

Finding the Fourth Proportional to 36,100.62, 54,159.84 and 12,408.57

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Solution

The fourth proportional to 36,100.62, 54,159.84 and 12,408.57 is: 18,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,100.62 : 54,159.84 = 12,408.57 : x
  2. Step 2: Convert to fraction form
    36,100.62/54,159.84 = 12,408.57/x
  3. Step 3: Cross multiply
    36,100.62x = 54,159.84 × 12,408.57
  4. Step 4: Simplify right side
    36,100.62x = 672,046,165.83
  5. Step 5: Solve for x
    x = 672,046,165.83/36,100.62
  6. Step 6: Final answer
    x = 18,615.92

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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.