Home / 39,187.72-54,091.40-25,040.56

Finding the Fourth Proportional to 39,187.72, 54,091.40 and 25,040.56

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Solution

The fourth proportional to 39,187.72, 54,091.40 and 25,040.56 is: 34,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,187.72 : 54,091.40 = 25,040.56 : x
  2. Step 2: Convert to fraction form
    39,187.72/54,091.40 = 25,040.56/x
  3. Step 3: Cross multiply
    39,187.72x = 54,091.40 × 25,040.56
  4. Step 4: Simplify right side
    39,187.72x = 1,354,478,947.18
  5. Step 5: Solve for x
    x = 1,354,478,947.18/39,187.72
  6. Step 6: Final answer
    x = 34,563.86

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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.