Home / 39,162.24-54,040.32-22,394.88

Finding the Fourth Proportional to 39,162.24, 54,040.32 and 22,394.88

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Solution

The fourth proportional to 39,162.24, 54,040.32 and 22,394.88 is: 30,902.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,162.24 : 54,040.32 = 22,394.88 : x
  2. Step 2: Convert to fraction form
    39,162.24/54,040.32 = 22,394.88/x
  3. Step 3: Cross multiply
    39,162.24x = 54,040.32 × 22,394.88
  4. Step 4: Simplify right side
    39,162.24x = 1,210,226,481.56
  5. Step 5: Solve for x
    x = 1,210,226,481.56/39,162.24
  6. Step 6: Final answer
    x = 30,902.89

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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.