Home / 38,803.32-58,222.26-20,331

Finding the Fourth Proportional to 38,803.32, 58,222.26 and 20,331

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Solution

The fourth proportional to 38,803.32, 58,222.26 and 20,331 is: 30,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,803.32 : 58,222.26 = 20,331 : x
  2. Step 2: Convert to fraction form
    38,803.32/58,222.26 = 20,331/x
  3. Step 3: Cross multiply
    38,803.32x = 58,222.26 × 20,331
  4. Step 4: Simplify right side
    38,803.32x = 1,183,716,768.06
  5. Step 5: Solve for x
    x = 1,183,716,768.06/38,803.32
  6. Step 6: Final answer
    x = 30,505.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.