Home / 39,947.19-59,899.92-11,863.38

Finding the Fourth Proportional to 39,947.19, 59,899.92 and 11,863.38

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Solution

The fourth proportional to 39,947.19, 59,899.92 and 11,863.38 is: 17,788.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,947.19 : 59,899.92 = 11,863.38 : x
  2. Step 2: Convert to fraction form
    39,947.19/59,899.92 = 11,863.38/x
  3. Step 3: Cross multiply
    39,947.19x = 59,899.92 × 11,863.38
  4. Step 4: Simplify right side
    39,947.19x = 710,615,512.93
  5. Step 5: Solve for x
    x = 710,615,512.93/39,947.19
  6. Step 6: Final answer
    x = 17,788.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.