Home / 36,838.43-55,226.41-13,138.84

Finding the Fourth Proportional to 36,838.43, 55,226.41 and 13,138.84

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Solution

The fourth proportional to 36,838.43, 55,226.41 and 13,138.84 is: 19,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,838.43 : 55,226.41 = 13,138.84 : x
  2. Step 2: Convert to fraction form
    36,838.43/55,226.41 = 13,138.84/x
  3. Step 3: Cross multiply
    36,838.43x = 55,226.41 × 13,138.84
  4. Step 4: Simplify right side
    36,838.43x = 725,611,000.95
  5. Step 5: Solve for x
    x = 725,611,000.95/36,838.43
  6. Step 6: Final answer
    x = 19,697.12

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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.