Home / 39,751.13-54,856.87-21,846.44

Finding the Fourth Proportional to 39,751.13, 54,856.87 and 21,846.44

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Solution

The fourth proportional to 39,751.13, 54,856.87 and 21,846.44 is: 30,148.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,751.13 : 54,856.87 = 21,846.44 : x
  2. Step 2: Convert to fraction form
    39,751.13/54,856.87 = 21,846.44/x
  3. Step 3: Cross multiply
    39,751.13x = 54,856.87 × 21,846.44
  4. Step 4: Simplify right side
    39,751.13x = 1,198,427,401.57
  5. Step 5: Solve for x
    x = 1,198,427,401.57/39,751.13
  6. Step 6: Final answer
    x = 30,148.26

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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.