Home / 36,961.28-51,007.20-20,196.80

Finding the Fourth Proportional to 36,961.28, 51,007.20 and 20,196.80

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Solution

The fourth proportional to 36,961.28, 51,007.20 and 20,196.80 is: 27,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,961.28 : 51,007.20 = 20,196.80 : x
  2. Step 2: Convert to fraction form
    36,961.28/51,007.20 = 20,196.80/x
  3. Step 3: Cross multiply
    36,961.28x = 51,007.20 × 20,196.80
  4. Step 4: Simplify right side
    36,961.28x = 1,030,182,216.96
  5. Step 5: Solve for x
    x = 1,030,182,216.96/36,961.28
  6. Step 6: Final answer
    x = 27,871.93

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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.