Home / 36,240.05-50,011.13-20,324.56

Finding the Fourth Proportional to 36,240.05, 50,011.13 and 20,324.56

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Solution

The fourth proportional to 36,240.05, 50,011.13 and 20,324.56 is: 28,047.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,240.05 : 50,011.13 = 20,324.56 : x
  2. Step 2: Convert to fraction form
    36,240.05/50,011.13 = 20,324.56/x
  3. Step 3: Cross multiply
    36,240.05x = 50,011.13 × 20,324.56
  4. Step 4: Simplify right side
    36,240.05x = 1,016,453,860.67
  5. Step 5: Solve for x
    x = 1,016,453,860.67/36,240.05
  6. Step 6: Final answer
    x = 28,047.81

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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.