Home / 30,214.12-41,691-16,785.58

Finding the Fourth Proportional to 30,214.12, 41,691 and 16,785.58

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Solution

The fourth proportional to 30,214.12, 41,691 and 16,785.58 is: 23,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,214.12 : 41,691 = 16,785.58 : x
  2. Step 2: Convert to fraction form
    30,214.12/41,691 = 16,785.58/x
  3. Step 3: Cross multiply
    30,214.12x = 41,691 × 16,785.58
  4. Step 4: Simplify right side
    30,214.12x = 699,807,615.78
  5. Step 5: Solve for x
    x = 699,807,615.78/30,214.12
  6. Step 6: Final answer
    x = 23,161.61

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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.