Home / 68,391.54-94,385.10-38,182.80

Finding the Fourth Proportional to 68,391.54, 94,385.10 and 38,182.80

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Solution

The fourth proportional to 68,391.54, 94,385.10 and 38,182.80 is: 52,694.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,391.54 : 94,385.10 = 38,182.80 : x
  2. Step 2: Convert to fraction form
    68,391.54/94,385.10 = 38,182.80/x
  3. Step 3: Cross multiply
    68,391.54x = 94,385.10 × 38,182.80
  4. Step 4: Simplify right side
    68,391.54x = 3,603,887,396.28
  5. Step 5: Solve for x
    x = 3,603,887,396.28/68,391.54
  6. Step 6: Final answer
    x = 52,694.93

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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.