Home / 36,201.80-54,305.40-12,825.20

Finding the Fourth Proportional to 36,201.80, 54,305.40 and 12,825.20

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Solution

The fourth proportional to 36,201.80, 54,305.40 and 12,825.20 is: 19,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,201.80 : 54,305.40 = 12,825.20 : x
  2. Step 2: Convert to fraction form
    36,201.80/54,305.40 = 12,825.20/x
  3. Step 3: Cross multiply
    36,201.80x = 54,305.40 × 12,825.20
  4. Step 4: Simplify right side
    36,201.80x = 696,477,616.08
  5. Step 5: Solve for x
    x = 696,477,616.08/36,201.80
  6. Step 6: Final answer
    x = 19,238.76

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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.