Home / 49,108.20-67,784.22-28,963.50

Finding the Fourth Proportional to 49,108.20, 67,784.22 and 28,963.50

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Solution

The fourth proportional to 49,108.20, 67,784.22 and 28,963.50 is: 39,978.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,108.20 : 67,784.22 = 28,963.50 : x
  2. Step 2: Convert to fraction form
    49,108.20/67,784.22 = 28,963.50/x
  3. Step 3: Cross multiply
    49,108.20x = 67,784.22 × 28,963.50
  4. Step 4: Simplify right side
    49,108.20x = 1,963,268,255.97
  5. Step 5: Solve for x
    x = 1,963,268,255.97/49,108.20
  6. Step 6: Final answer
    x = 39,978.42

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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.