Home / 39,272.45-54,182.72-22,274.87

Finding the Fourth Proportional to 39,272.45, 54,182.72 and 22,274.87

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Solution

The fourth proportional to 39,272.45, 54,182.72 and 22,274.87 is: 30,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272.45 : 54,182.72 = 22,274.87 : x
  2. Step 2: Convert to fraction form
    39,272.45/54,182.72 = 22,274.87/x
  3. Step 3: Cross multiply
    39,272.45x = 54,182.72 × 22,274.87
  4. Step 4: Simplify right side
    39,272.45x = 1,206,912,829.02
  5. Step 5: Solve for x
    x = 1,206,912,829.02/39,272.45
  6. Step 6: Final answer
    x = 30,731.80

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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.