Home / 39,264.29-54,204.78-30,291.65

Finding the Fourth Proportional to 39,264.29, 54,204.78 and 30,291.65

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Solution

The fourth proportional to 39,264.29, 54,204.78 and 30,291.65 is: 41,817.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,264.29 : 54,204.78 = 30,291.65 : x
  2. Step 2: Convert to fraction form
    39,264.29/54,204.78 = 30,291.65/x
  3. Step 3: Cross multiply
    39,264.29x = 54,204.78 × 30,291.65
  4. Step 4: Simplify right side
    39,264.29x = 1,641,951,801.60
  5. Step 5: Solve for x
    x = 1,641,951,801.60/39,264.29
  6. Step 6: Final answer
    x = 41,817.95

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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.