Home / 39,409.56-54,385.29-22,642.56

Finding the Fourth Proportional to 39,409.56, 54,385.29 and 22,642.56

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Solution

The fourth proportional to 39,409.56, 54,385.29 and 22,642.56 is: 31,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.56 : 54,385.29 = 22,642.56 : x
  2. Step 2: Convert to fraction form
    39,409.56/54,385.29 = 22,642.56/x
  3. Step 3: Cross multiply
    39,409.56x = 54,385.29 × 22,642.56
  4. Step 4: Simplify right side
    39,409.56x = 1,231,422,191.94
  5. Step 5: Solve for x
    x = 1,231,422,191.94/39,409.56
  6. Step 6: Final answer
    x = 31,246.79

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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.