Home / 39,427.97-54,277.70-35,639.90

Finding the Fourth Proportional to 39,427.97, 54,277.70 and 35,639.90

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Solution

The fourth proportional to 39,427.97, 54,277.70 and 35,639.90 is: 49,062.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,427.97 : 54,277.70 = 35,639.90 : x
  2. Step 2: Convert to fraction form
    39,427.97/54,277.70 = 35,639.90/x
  3. Step 3: Cross multiply
    39,427.97x = 54,277.70 × 35,639.90
  4. Step 4: Simplify right side
    39,427.97x = 1,934,451,554.18
  5. Step 5: Solve for x
    x = 1,934,451,554.18/39,427.97
  6. Step 6: Final answer
    x = 49,062.93

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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.