Home / 68,325.24-94,286.19-39,643.48

Finding the Fourth Proportional to 68,325.24, 94,286.19 and 39,643.48

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Solution

The fourth proportional to 68,325.24, 94,286.19 and 39,643.48 is: 54,706.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,325.24 : 94,286.19 = 39,643.48 : x
  2. Step 2: Convert to fraction form
    68,325.24/94,286.19 = 39,643.48/x
  3. Step 3: Cross multiply
    68,325.24x = 94,286.19 × 39,643.48
  4. Step 4: Simplify right side
    68,325.24x = 3,737,832,687.54
  5. Step 5: Solve for x
    x = 3,737,832,687.54/68,325.24
  6. Step 6: Final answer
    x = 54,706.47

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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.