Home / 30,214.84-41,695.60-16,785.76

Finding the Fourth Proportional to 30,214.84, 41,695.60 and 16,785.76

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Solution

The fourth proportional to 30,214.84, 41,695.60 and 16,785.76 is: 23,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,214.84 : 41,695.60 = 16,785.76 : x
  2. Step 2: Convert to fraction form
    30,214.84/41,695.60 = 16,785.76/x
  3. Step 3: Cross multiply
    30,214.84x = 41,695.60 × 16,785.76
  4. Step 4: Simplify right side
    30,214.84x = 699,892,334.66
  5. Step 5: Solve for x
    x = 699,892,334.66/30,214.84
  6. Step 6: Final answer
    x = 23,163.86

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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.