Home / 36,207.40-54,311.10-21,408.70

Finding the Fourth Proportional to 36,207.40, 54,311.10 and 21,408.70

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Solution

The fourth proportional to 36,207.40, 54,311.10 and 21,408.70 is: 32,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,207.40 : 54,311.10 = 21,408.70 : x
  2. Step 2: Convert to fraction form
    36,207.40/54,311.10 = 21,408.70/x
  3. Step 3: Cross multiply
    36,207.40x = 54,311.10 × 21,408.70
  4. Step 4: Simplify right side
    36,207.40x = 1,162,730,046.57
  5. Step 5: Solve for x
    x = 1,162,730,046.57/36,207.40
  6. Step 6: Final answer
    x = 32,113.05

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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.