Home / 30,079.12-41,515.86-17,511.16

Finding the Fourth Proportional to 30,079.12, 41,515.86 and 17,511.16

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Solution

The fourth proportional to 30,079.12, 41,515.86 and 17,511.16 is: 24,169.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.12 : 41,515.86 = 17,511.16 : x
  2. Step 2: Convert to fraction form
    30,079.12/41,515.86 = 17,511.16/x
  3. Step 3: Cross multiply
    30,079.12x = 41,515.86 × 17,511.16
  4. Step 4: Simplify right side
    30,079.12x = 726,990,867.00
  5. Step 5: Solve for x
    x = 726,990,867.00/30,079.12
  6. Step 6: Final answer
    x = 24,169.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.