Home / 45,168.21-67,678.40-27,344.85

Finding the Fourth Proportional to 45,168.21, 67,678.40 and 27,344.85

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Solution

The fourth proportional to 45,168.21, 67,678.40 and 27,344.85 is: 40,972.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,168.21 : 67,678.40 = 27,344.85 : x
  2. Step 2: Convert to fraction form
    45,168.21/67,678.40 = 27,344.85/x
  3. Step 3: Cross multiply
    45,168.21x = 67,678.40 × 27,344.85
  4. Step 4: Simplify right side
    45,168.21x = 1,850,655,357.85
  5. Step 5: Solve for x
    x = 1,850,655,357.85/45,168.21
  6. Step 6: Final answer
    x = 40,972.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.