Home / 36,972.72-51,022.44-20,206.80

Finding the Fourth Proportional to 36,972.72, 51,022.44 and 20,206.80

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Solution

The fourth proportional to 36,972.72, 51,022.44 and 20,206.80 is: 27,885.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,972.72 : 51,022.44 = 20,206.80 : x
  2. Step 2: Convert to fraction form
    36,972.72/51,022.44 = 20,206.80/x
  3. Step 3: Cross multiply
    36,972.72x = 51,022.44 × 20,206.80
  4. Step 4: Simplify right side
    36,972.72x = 1,031,000,240.59
  5. Step 5: Solve for x
    x = 1,031,000,240.59/36,972.72
  6. Step 6: Final answer
    x = 27,885.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.