Home / 20,719.44-31,084.38-5,929.65

Finding the Fourth Proportional to 20,719.44, 31,084.38 and 5,929.65

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Solution

The fourth proportional to 20,719.44, 31,084.38 and 5,929.65 is: 8,895.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,719.44 : 31,084.38 = 5,929.65 : x
  2. Step 2: Convert to fraction form
    20,719.44/31,084.38 = 5,929.65/x
  3. Step 3: Cross multiply
    20,719.44x = 31,084.38 × 5,929.65
  4. Step 4: Simplify right side
    20,719.44x = 184,319,493.87
  5. Step 5: Solve for x
    x = 184,319,493.87/20,719.44
  6. Step 6: Final answer
    x = 8,895.97

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1.5x scale

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.