Home / 68,378.04-94,366.44-38,169.30

Finding the Fourth Proportional to 68,378.04, 94,366.44 and 38,169.30

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Solution

The fourth proportional to 68,378.04, 94,366.44 and 38,169.30 is: 52,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,378.04 : 94,366.44 = 38,169.30 : x
  2. Step 2: Convert to fraction form
    68,378.04/94,366.44 = 38,169.30/x
  3. Step 3: Cross multiply
    68,378.04x = 94,366.44 × 38,169.30
  4. Step 4: Simplify right side
    68,378.04x = 3,601,900,958.29
  5. Step 5: Solve for x
    x = 3,601,900,958.29/68,378.04
  6. Step 6: Final answer
    x = 52,676.28

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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.