Home / 68,438.26-94,443.78-38,224.09

Finding the Fourth Proportional to 68,438.26, 94,443.78 and 38,224.09

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Solution

The fourth proportional to 68,438.26, 94,443.78 and 38,224.09 is: 52,748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,438.26 : 94,443.78 = 38,224.09 : x
  2. Step 2: Convert to fraction form
    68,438.26/94,443.78 = 38,224.09/x
  3. Step 3: Cross multiply
    68,438.26x = 94,443.78 × 38,224.09
  4. Step 4: Simplify right side
    68,438.26x = 3,610,027,546.66
  5. Step 5: Solve for x
    x = 3,610,027,546.66/68,438.26
  6. Step 6: Final answer
    x = 52,748.68

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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.