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Finding the Fourth Proportional to 67,378.96, 101,079.16 and 22,401.92

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Solution

The fourth proportional to 67,378.96, 101,079.16 and 22,401.92 is: 33,606.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,378.96 : 101,079.16 = 22,401.92 : x
  2. Step 2: Convert to fraction form
    67,378.96/101,079.16 = 22,401.92/x
  3. Step 3: Cross multiply
    67,378.96x = 101,079.16 × 22,401.92
  4. Step 4: Simplify right side
    67,378.96x = 2,264,367,255.99
  5. Step 5: Solve for x
    x = 2,264,367,255.99/67,378.96
  6. Step 6: Final answer
    x = 33,606.44

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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.