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Finding the Fourth Proportional to 36,223.28, 54,334.92 and 12,844.28

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Solution

The fourth proportional to 36,223.28, 54,334.92 and 12,844.28 is: 19,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,223.28 : 54,334.92 = 12,844.28 : x
  2. Step 2: Convert to fraction form
    36,223.28/54,334.92 = 12,844.28/x
  3. Step 3: Cross multiply
    36,223.28x = 54,334.92 × 12,844.28
  4. Step 4: Simplify right side
    36,223.28x = 697,892,926.26
  5. Step 5: Solve for x
    x = 697,892,926.26/36,223.28
  6. Step 6: Final answer
    x = 19,266.42

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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.