Home / 33,618.80-50,429.18-18,816.15

Finding the Fourth Proportional to 33,618.80, 50,429.18 and 18,816.15

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Solution

The fourth proportional to 33,618.80, 50,429.18 and 18,816.15 is: 28,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,618.80 : 50,429.18 = 18,816.15 : x
  2. Step 2: Convert to fraction form
    33,618.80/50,429.18 = 18,816.15/x
  3. Step 3: Cross multiply
    33,618.80x = 50,429.18 × 18,816.15
  4. Step 4: Simplify right side
    33,618.80x = 948,882,967.74
  5. Step 5: Solve for x
    x = 948,882,967.74/33,618.80
  6. Step 6: Final answer
    x = 28,224.77

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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.