Home / 36,235.80-54,359.10-12,860.28

Finding the Fourth Proportional to 36,235.80, 54,359.10 and 12,860.28

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Solution

The fourth proportional to 36,235.80, 54,359.10 and 12,860.28 is: 19,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,235.80 : 54,359.10 = 12,860.28 : x
  2. Step 2: Convert to fraction form
    36,235.80/54,359.10 = 12,860.28/x
  3. Step 3: Cross multiply
    36,235.80x = 54,359.10 × 12,860.28
  4. Step 4: Simplify right side
    36,235.80x = 699,073,246.55
  5. Step 5: Solve for x
    x = 699,073,246.55/36,235.80
  6. Step 6: Final answer
    x = 19,292.34

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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.