Home / 39,212.64-54,116.64-22,446.72

Finding the Fourth Proportional to 39,212.64, 54,116.64 and 22,446.72

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Solution

The fourth proportional to 39,212.64, 54,116.64 and 22,446.72 is: 30,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,212.64 : 54,116.64 = 22,446.72 : x
  2. Step 2: Convert to fraction form
    39,212.64/54,116.64 = 22,446.72/x
  3. Step 3: Cross multiply
    39,212.64x = 54,116.64 × 22,446.72
  4. Step 4: Simplify right side
    39,212.64x = 1,214,741,065.42
  5. Step 5: Solve for x
    x = 1,214,741,065.42/39,212.64
  6. Step 6: Final answer
    x = 30,978.30

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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.