Home / 30,234.62-41,725.18-16,807.20

Finding the Fourth Proportional to 30,234.62, 41,725.18 and 16,807.20

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Solution

The fourth proportional to 30,234.62, 41,725.18 and 16,807.20 is: 23,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,234.62 : 41,725.18 = 16,807.20 : x
  2. Step 2: Convert to fraction form
    30,234.62/41,725.18 = 16,807.20/x
  3. Step 3: Cross multiply
    30,234.62x = 41,725.18 × 16,807.20
  4. Step 4: Simplify right side
    30,234.62x = 701,283,445.30
  5. Step 5: Solve for x
    x = 701,283,445.30/30,234.62
  6. Step 6: Final answer
    x = 23,194.72

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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.