Home / 33,730.39-50,589.89-12,378.68

Finding the Fourth Proportional to 33,730.39, 50,589.89 and 12,378.68

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Solution

The fourth proportional to 33,730.39, 50,589.89 and 12,378.68 is: 18,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,730.39 : 50,589.89 = 12,378.68 : x
  2. Step 2: Convert to fraction form
    33,730.39/50,589.89 = 12,378.68/x
  3. Step 3: Cross multiply
    33,730.39x = 50,589.89 × 12,378.68
  4. Step 4: Simplify right side
    33,730.39x = 626,235,997.65
  5. Step 5: Solve for x
    x = 626,235,997.65/33,730.39
  6. Step 6: Final answer
    x = 18,565.93

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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.