Home / 49,010.78-67,603.02-28,850.70

Finding the Fourth Proportional to 49,010.78, 67,603.02 and 28,850.70

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Solution

The fourth proportional to 49,010.78, 67,603.02 and 28,850.70 is: 39,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,010.78 : 67,603.02 = 28,850.70 : x
  2. Step 2: Convert to fraction form
    49,010.78/67,603.02 = 28,850.70/x
  3. Step 3: Cross multiply
    49,010.78x = 67,603.02 × 28,850.70
  4. Step 4: Simplify right side
    49,010.78x = 1,950,394,449.11
  5. Step 5: Solve for x
    x = 1,950,394,449.11/49,010.78
  6. Step 6: Final answer
    x = 39,795.21

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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.