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Finding the Fourth Proportional to 33,967.20, 50,950.80 and 15,499.20

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Solution

The fourth proportional to 33,967.20, 50,950.80 and 15,499.20 is: 23,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,967.20 : 50,950.80 = 15,499.20 : x
  2. Step 2: Convert to fraction form
    33,967.20/50,950.80 = 15,499.20/x
  3. Step 3: Cross multiply
    33,967.20x = 50,950.80 × 15,499.20
  4. Step 4: Simplify right side
    33,967.20x = 789,696,639.36
  5. Step 5: Solve for x
    x = 789,696,639.36/33,967.20
  6. Step 6: Final answer
    x = 23,248.80

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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.