Home / 39,833.95-54,972.42-21,930.62

Finding the Fourth Proportional to 39,833.95, 54,972.42 and 21,930.62

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Solution

The fourth proportional to 39,833.95, 54,972.42 and 21,930.62 is: 30,265.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,833.95 : 54,972.42 = 21,930.62 : x
  2. Step 2: Convert to fraction form
    39,833.95/54,972.42 = 21,930.62/x
  3. Step 3: Cross multiply
    39,833.95x = 54,972.42 × 21,930.62
  4. Step 4: Simplify right side
    39,833.95x = 1,205,579,253.50
  5. Step 5: Solve for x
    x = 1,205,579,253.50/39,833.95
  6. Step 6: Final answer
    x = 30,265.12

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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.