Home / 20,639.39-30,960.41-5,849.48

Finding the Fourth Proportional to 20,639.39, 30,960.41 and 5,849.48

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Solution

The fourth proportional to 20,639.39, 30,960.41 and 5,849.48 is: 8,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,639.39 : 30,960.41 = 5,849.48 : x
  2. Step 2: Convert to fraction form
    20,639.39/30,960.41 = 5,849.48/x
  3. Step 3: Cross multiply
    20,639.39x = 30,960.41 × 5,849.48
  4. Step 4: Simplify right side
    20,639.39x = 181,102,115.04
  5. Step 5: Solve for x
    x = 181,102,115.04/20,639.39
  6. Step 6: Final answer
    x = 8,774.59

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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.