Home / 23,319.99-34,979.94-20,109.18

Finding the Fourth Proportional to 23,319.99, 34,979.94 and 20,109.18

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Solution

The fourth proportional to 23,319.99, 34,979.94 and 20,109.18 is: 30,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,319.99 : 34,979.94 = 20,109.18 : x
  2. Step 2: Convert to fraction form
    23,319.99/34,979.94 = 20,109.18/x
  3. Step 3: Cross multiply
    23,319.99x = 34,979.94 × 20,109.18
  4. Step 4: Simplify right side
    23,319.99x = 703,417,909.85
  5. Step 5: Solve for x
    x = 703,417,909.85/23,319.99
  6. Step 6: Final answer
    x = 30,163.73

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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.