Home / 36,019.44-49,711.32-21,868.56

Finding the Fourth Proportional to 36,019.44, 49,711.32 and 21,868.56

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Solution

The fourth proportional to 36,019.44, 49,711.32 and 21,868.56 is: 30,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.44 : 49,711.32 = 21,868.56 : x
  2. Step 2: Convert to fraction form
    36,019.44/49,711.32 = 21,868.56/x
  3. Step 3: Cross multiply
    36,019.44x = 49,711.32 × 21,868.56
  4. Step 4: Simplify right side
    36,019.44x = 1,087,114,984.10
  5. Step 5: Solve for x
    x = 1,087,114,984.10/36,019.44
  6. Step 6: Final answer
    x = 30,181.34

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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.