Home / 29,979.58-41,370.74-16,550.55

Finding the Fourth Proportional to 29,979.58, 41,370.74 and 16,550.55

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Solution

The fourth proportional to 29,979.58, 41,370.74 and 16,550.55 is: 22,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,979.58 : 41,370.74 = 16,550.55 : x
  2. Step 2: Convert to fraction form
    29,979.58/41,370.74 = 16,550.55/x
  3. Step 3: Cross multiply
    29,979.58x = 41,370.74 × 16,550.55
  4. Step 4: Simplify right side
    29,979.58x = 684,708,211.30
  5. Step 5: Solve for x
    x = 684,708,211.30/29,979.58
  6. Step 6: Final answer
    x = 22,839.15

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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.