Home / 30,199.20-41,680.08-17,630.16

Finding the Fourth Proportional to 30,199.20, 41,680.08 and 17,630.16

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Solution

The fourth proportional to 30,199.20, 41,680.08 and 17,630.16 is: 24,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.20 : 41,680.08 = 17,630.16 : x
  2. Step 2: Convert to fraction form
    30,199.20/41,680.08 = 17,630.16/x
  3. Step 3: Cross multiply
    30,199.20x = 41,680.08 × 17,630.16
  4. Step 4: Simplify right side
    30,199.20x = 734,826,479.21
  5. Step 5: Solve for x
    x = 734,826,479.21/30,199.20
  6. Step 6: Final answer
    x = 24,332.65

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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.