Home / 39,938.97-55,116.81-22,034.19

Finding the Fourth Proportional to 39,938.97, 55,116.81 and 22,034.19

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Solution

The fourth proportional to 39,938.97, 55,116.81 and 22,034.19 is: 30,407.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.97 : 55,116.81 = 22,034.19 : x
  2. Step 2: Convert to fraction form
    39,938.97/55,116.81 = 22,034.19/x
  3. Step 3: Cross multiply
    39,938.97x = 55,116.81 × 22,034.19
  4. Step 4: Simplify right side
    39,938.97x = 1,214,454,263.73
  5. Step 5: Solve for x
    x = 1,214,454,263.73/39,938.97
  6. Step 6: Final answer
    x = 30,407.75

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1.5x scale

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.