Home / 36,359.78-50,177.12-20,228.37

Finding the Fourth Proportional to 36,359.78, 50,177.12 and 20,228.37

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Solution

The fourth proportional to 36,359.78, 50,177.12 and 20,228.37 is: 27,915.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,359.78 : 50,177.12 = 20,228.37 : x
  2. Step 2: Convert to fraction form
    36,359.78/50,177.12 = 20,228.37/x
  3. Step 3: Cross multiply
    36,359.78x = 50,177.12 × 20,228.37
  4. Step 4: Simplify right side
    36,359.78x = 1,015,001,247.75
  5. Step 5: Solve for x
    x = 1,015,001,247.75/36,359.78
  6. Step 6: Final answer
    x = 27,915.50

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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.