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Finding the Fourth Proportional to 36,354, 50,148.36 and 30,722.52

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Solution

The fourth proportional to 36,354, 50,148.36 and 30,722.52 is: 42,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,354 : 50,148.36 = 30,722.52 : x
  2. Step 2: Convert to fraction form
    36,354/50,148.36 = 30,722.52/x
  3. Step 3: Cross multiply
    36,354x = 50,148.36 × 30,722.52
  4. Step 4: Simplify right side
    36,354x = 1,540,683,993.07
  5. Step 5: Solve for x
    x = 1,540,683,993.07/36,354
  6. Step 6: Final answer
    x = 42,380.04

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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.