Home / 39,751.04-54,856.26-21,846.80

Finding the Fourth Proportional to 39,751.04, 54,856.26 and 21,846.80

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Solution

The fourth proportional to 39,751.04, 54,856.26 and 21,846.80 is: 30,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,751.04 : 54,856.26 = 21,846.80 : x
  2. Step 2: Convert to fraction form
    39,751.04/54,856.26 = 21,846.80/x
  3. Step 3: Cross multiply
    39,751.04x = 54,856.26 × 21,846.80
  4. Step 4: Simplify right side
    39,751.04x = 1,198,433,740.97
  5. Step 5: Solve for x
    x = 1,198,433,740.97/39,751.04
  6. Step 6: Final answer
    x = 30,148.49

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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.