Home / 33,979.72-50,988.48-12,933.76

Finding the Fourth Proportional to 33,979.72, 50,988.48 and 12,933.76

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Solution

The fourth proportional to 33,979.72, 50,988.48 and 12,933.76 is: 19,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,979.72 : 50,988.48 = 12,933.76 : x
  2. Step 2: Convert to fraction form
    33,979.72/50,988.48 = 12,933.76/x
  3. Step 3: Cross multiply
    33,979.72x = 50,988.48 × 12,933.76
  4. Step 4: Simplify right side
    33,979.72x = 659,472,763.08
  5. Step 5: Solve for x
    x = 659,472,763.08/33,979.72
  6. Step 6: Final answer
    x = 19,407.83

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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.