Home / 30,162.74-41,621.24-16,730.64

Finding the Fourth Proportional to 30,162.74, 41,621.24 and 16,730.64

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Solution

The fourth proportional to 30,162.74, 41,621.24 and 16,730.64 is: 23,086.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162.74 : 41,621.24 = 16,730.64 : x
  2. Step 2: Convert to fraction form
    30,162.74/41,621.24 = 16,730.64/x
  3. Step 3: Cross multiply
    30,162.74x = 41,621.24 × 16,730.64
  4. Step 4: Simplify right side
    30,162.74x = 696,350,024.62
  5. Step 5: Solve for x
    x = 696,350,024.62/30,162.74
  6. Step 6: Final answer
    x = 23,086.44

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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.