Home / 49,008.39-67,671.21-39,934.95

Finding the Fourth Proportional to 49,008.39, 67,671.21 and 39,934.95

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Solution

The fourth proportional to 49,008.39, 67,671.21 and 39,934.95 is: 55,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,008.39 : 67,671.21 = 39,934.95 : x
  2. Step 2: Convert to fraction form
    49,008.39/67,671.21 = 39,934.95/x
  3. Step 3: Cross multiply
    49,008.39x = 67,671.21 × 39,934.95
  4. Step 4: Simplify right side
    49,008.39x = 2,702,446,387.79
  5. Step 5: Solve for x
    x = 2,702,446,387.79/49,008.39
  6. Step 6: Final answer
    x = 55,142.53

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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.