Home / 39,179.20-54,066.72-22,408.96

Finding the Fourth Proportional to 39,179.20, 54,066.72 and 22,408.96

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Solution

The fourth proportional to 39,179.20, 54,066.72 and 22,408.96 is: 30,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,179.20 : 54,066.72 = 22,408.96 : x
  2. Step 2: Convert to fraction form
    39,179.20/54,066.72 = 22,408.96/x
  3. Step 3: Cross multiply
    39,179.20x = 54,066.72 × 22,408.96
  4. Step 4: Simplify right side
    39,179.20x = 1,211,578,965.81
  5. Step 5: Solve for x
    x = 1,211,578,965.81/39,179.20
  6. Step 6: Final answer
    x = 30,924.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.