Home / 39,916.26-55,084.42-22,921.62

Finding the Fourth Proportional to 39,916.26, 55,084.42 and 22,921.62

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Solution

The fourth proportional to 39,916.26, 55,084.42 and 22,921.62 is: 31,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916.26 : 55,084.42 = 22,921.62 : x
  2. Step 2: Convert to fraction form
    39,916.26/55,084.42 = 22,921.62/x
  3. Step 3: Cross multiply
    39,916.26x = 55,084.42 × 22,921.62
  4. Step 4: Simplify right side
    39,916.26x = 1,262,623,965.25
  5. Step 5: Solve for x
    x = 1,262,623,965.25/39,916.26
  6. Step 6: Final answer
    x = 31,631.82

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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.