Home / 68,380.04-94,369.20-38,171.30

Finding the Fourth Proportional to 68,380.04, 94,369.20 and 38,171.30

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Solution

The fourth proportional to 68,380.04, 94,369.20 and 38,171.30 is: 52,679.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,380.04 : 94,369.20 = 38,171.30 : x
  2. Step 2: Convert to fraction form
    68,380.04/94,369.20 = 38,171.30/x
  3. Step 3: Cross multiply
    68,380.04x = 94,369.20 × 38,171.30
  4. Step 4: Simplify right side
    68,380.04x = 3,602,195,043.96
  5. Step 5: Solve for x
    x = 3,602,195,043.96/68,380.04
  6. Step 6: Final answer
    x = 52,679.04

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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.