Home / 30,345.42-41,879.17-16,736.12

Finding the Fourth Proportional to 30,345.42, 41,879.17 and 16,736.12

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Solution

The fourth proportional to 30,345.42, 41,879.17 and 16,736.12 is: 23,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,345.42 : 41,879.17 = 16,736.12 : x
  2. Step 2: Convert to fraction form
    30,345.42/41,879.17 = 16,736.12/x
  3. Step 3: Cross multiply
    30,345.42x = 41,879.17 × 16,736.12
  4. Step 4: Simplify right side
    30,345.42x = 700,894,772.78
  5. Step 5: Solve for x
    x = 700,894,772.78/30,345.42
  6. Step 6: Final answer
    x = 23,097.22

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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.