Home / 33,715.22-50,559.68-12,643.78

Finding the Fourth Proportional to 33,715.22, 50,559.68 and 12,643.78

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Solution

The fourth proportional to 33,715.22, 50,559.68 and 12,643.78 is: 18,960.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,715.22 : 50,559.68 = 12,643.78 : x
  2. Step 2: Convert to fraction form
    33,715.22/50,559.68 = 12,643.78/x
  3. Step 3: Cross multiply
    33,715.22x = 50,559.68 × 12,643.78
  4. Step 4: Simplify right side
    33,715.22x = 639,265,470.79
  5. Step 5: Solve for x
    x = 639,265,470.79/33,715.22
  6. Step 6: Final answer
    x = 18,960.74

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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.