Home / 68,324.24-94,284.81-39,642.48

Finding the Fourth Proportional to 68,324.24, 94,284.81 and 39,642.48

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Solution

The fourth proportional to 68,324.24, 94,284.81 and 39,642.48 is: 54,705.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,324.24 : 94,284.81 = 39,642.48 : x
  2. Step 2: Convert to fraction form
    68,324.24/94,284.81 = 39,642.48/x
  3. Step 3: Cross multiply
    68,324.24x = 94,284.81 × 39,642.48
  4. Step 4: Simplify right side
    68,324.24x = 3,737,683,694.73
  5. Step 5: Solve for x
    x = 3,737,683,694.73/68,324.24
  6. Step 6: Final answer
    x = 54,705.09

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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.