Home / 68,581.26-94,651.23-38,378.22

Finding the Fourth Proportional to 68,581.26, 94,651.23 and 38,378.22

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Solution

The fourth proportional to 68,581.26, 94,651.23 and 38,378.22 is: 52,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,581.26 : 94,651.23 = 38,378.22 : x
  2. Step 2: Convert to fraction form
    68,581.26/94,651.23 = 38,378.22/x
  3. Step 3: Cross multiply
    68,581.26x = 94,651.23 × 38,378.22
  4. Step 4: Simplify right side
    68,581.26x = 3,632,545,728.21
  5. Step 5: Solve for x
    x = 3,632,545,728.21/68,581.26
  6. Step 6: Final answer
    x = 52,967.03

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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.