Home / 36,913.87-50,940.70-20,998.28

Finding the Fourth Proportional to 36,913.87, 50,940.70 and 20,998.28

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Solution

The fourth proportional to 36,913.87, 50,940.70 and 20,998.28 is: 28,977.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,913.87 : 50,940.70 = 20,998.28 : x
  2. Step 2: Convert to fraction form
    36,913.87/50,940.70 = 20,998.28/x
  3. Step 3: Cross multiply
    36,913.87x = 50,940.70 × 20,998.28
  4. Step 4: Simplify right side
    36,913.87x = 1,069,667,082.00
  5. Step 5: Solve for x
    x = 1,069,667,082.00/36,913.87
  6. Step 6: Final answer
    x = 28,977.38

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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.