Home / 36,795.28-50,775.68-20,879.36

Finding the Fourth Proportional to 36,795.28, 50,775.68 and 20,879.36

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Solution

The fourth proportional to 36,795.28, 50,775.68 and 20,879.36 is: 28,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,795.28 : 50,775.68 = 20,879.36 : x
  2. Step 2: Convert to fraction form
    36,795.28/50,775.68 = 20,879.36/x
  3. Step 3: Cross multiply
    36,795.28x = 50,775.68 × 20,879.36
  4. Step 4: Simplify right side
    36,795.28x = 1,060,163,701.96
  5. Step 5: Solve for x
    x = 1,060,163,701.96/36,795.28
  6. Step 6: Final answer
    x = 28,812.49

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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.