Home / 49,490.44-68,289.36-28,265.20

Finding the Fourth Proportional to 49,490.44, 68,289.36 and 28,265.20

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Solution

The fourth proportional to 49,490.44, 68,289.36 and 28,265.20 is: 39,001.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,490.44 : 68,289.36 = 28,265.20 : x
  2. Step 2: Convert to fraction form
    49,490.44/68,289.36 = 28,265.20/x
  3. Step 3: Cross multiply
    49,490.44x = 68,289.36 × 28,265.20
  4. Step 4: Simplify right side
    49,490.44x = 1,930,212,418.27
  5. Step 5: Solve for x
    x = 1,930,212,418.27/49,490.44
  6. Step 6: Final answer
    x = 39,001.72

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1.5x scale

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.