Home / 30,348.27-41,878.62-16,917.66

Finding the Fourth Proportional to 30,348.27, 41,878.62 and 16,917.66

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Solution

The fourth proportional to 30,348.27, 41,878.62 and 16,917.66 is: 23,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348.27 : 41,878.62 = 16,917.66 : x
  2. Step 2: Convert to fraction form
    30,348.27/41,878.62 = 16,917.66/x
  3. Step 3: Cross multiply
    30,348.27x = 41,878.62 × 16,917.66
  4. Step 4: Simplify right side
    30,348.27x = 708,488,254.43
  5. Step 5: Solve for x
    x = 708,488,254.43/30,348.27
  6. Step 6: Final answer
    x = 23,345.26

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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.