Home / 49,135.66-67,798.71-28,991.02

Finding the Fourth Proportional to 49,135.66, 67,798.71 and 28,991.02

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Solution

The fourth proportional to 49,135.66, 67,798.71 and 28,991.02 is: 40,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,135.66 : 67,798.71 = 28,991.02 : x
  2. Step 2: Convert to fraction form
    49,135.66/67,798.71 = 28,991.02/x
  3. Step 3: Cross multiply
    49,135.66x = 67,798.71 × 28,991.02
  4. Step 4: Simplify right side
    49,135.66x = 1,965,553,757.58
  5. Step 5: Solve for x
    x = 1,965,553,757.58/49,135.66
  6. Step 6: Final answer
    x = 40,002.59

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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.