Home / 30,987.38-46,474.11-8,800.26

Finding the Fourth Proportional to 30,987.38, 46,474.11 and 8,800.26

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Solution

The fourth proportional to 30,987.38, 46,474.11 and 8,800.26 is: 13,198.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,987.38 : 46,474.11 = 8,800.26 : x
  2. Step 2: Convert to fraction form
    30,987.38/46,474.11 = 8,800.26/x
  3. Step 3: Cross multiply
    30,987.38x = 46,474.11 × 8,800.26
  4. Step 4: Simplify right side
    30,987.38x = 408,984,251.27
  5. Step 5: Solve for x
    x = 408,984,251.27/30,987.38
  6. Step 6: Final answer
    x = 13,198.41

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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.