Home / 36,203.40-54,305.10-21,404.70

Finding the Fourth Proportional to 36,203.40, 54,305.10 and 21,404.70

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Solution

The fourth proportional to 36,203.40, 54,305.10 and 21,404.70 is: 32,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,203.40 : 54,305.10 = 21,404.70 : x
  2. Step 2: Convert to fraction form
    36,203.40/54,305.10 = 21,404.70/x
  3. Step 3: Cross multiply
    36,203.40x = 54,305.10 × 21,404.70
  4. Step 4: Simplify right side
    36,203.40x = 1,162,384,373.97
  5. Step 5: Solve for x
    x = 1,162,384,373.97/36,203.40
  6. Step 6: Final answer
    x = 32,107.05

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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.