Home / 33,966.36-50,875.80-20,778.72

Finding the Fourth Proportional to 33,966.36, 50,875.80 and 20,778.72

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Solution

The fourth proportional to 33,966.36, 50,875.80 and 20,778.72 is: 31,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,966.36 : 50,875.80 = 20,778.72 : x
  2. Step 2: Convert to fraction form
    33,966.36/50,875.80 = 20,778.72/x
  3. Step 3: Cross multiply
    33,966.36x = 50,875.80 × 20,778.72
  4. Step 4: Simplify right side
    33,966.36x = 1,057,134,002.98
  5. Step 5: Solve for x
    x = 1,057,134,002.98/33,966.36
  6. Step 6: Final answer
    x = 31,122.97

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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.