Home / 30,197.18-41,691.84-19,616.96

Finding the Fourth Proportional to 30,197.18, 41,691.84 and 19,616.96

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Solution

The fourth proportional to 30,197.18, 41,691.84 and 19,616.96 is: 27,084.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,197.18 : 41,691.84 = 19,616.96 : x
  2. Step 2: Convert to fraction form
    30,197.18/41,691.84 = 19,616.96/x
  3. Step 3: Cross multiply
    30,197.18x = 41,691.84 × 19,616.96
  4. Step 4: Simplify right side
    30,197.18x = 817,867,157.61
  5. Step 5: Solve for x
    x = 817,867,157.61/30,197.18
  6. Step 6: Final answer
    x = 27,084.22

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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.