Home / 39,916.49-55,083.98-22,013.15

Finding the Fourth Proportional to 39,916.49, 55,083.98 and 22,013.15

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Solution

The fourth proportional to 39,916.49, 55,083.98 and 22,013.15 is: 30,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916.49 : 55,083.98 = 22,013.15 : x
  2. Step 2: Convert to fraction form
    39,916.49/55,083.98 = 22,013.15/x
  3. Step 3: Cross multiply
    39,916.49x = 55,083.98 × 22,013.15
  4. Step 4: Simplify right side
    39,916.49x = 1,212,571,693.95
  5. Step 5: Solve for x
    x = 1,212,571,693.95/39,916.49
  6. Step 6: Final answer
    x = 30,377.72

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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.