Home / 30,342.20-41,867.16-16,910.52

Finding the Fourth Proportional to 30,342.20, 41,867.16 and 16,910.52

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Solution

The fourth proportional to 30,342.20, 41,867.16 and 16,910.52 is: 23,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,342.20 : 41,867.16 = 16,910.52 : x
  2. Step 2: Convert to fraction form
    30,342.20/41,867.16 = 16,910.52/x
  3. Step 3: Cross multiply
    30,342.20x = 41,867.16 × 16,910.52
  4. Step 4: Simplify right side
    30,342.20x = 707,995,446.52
  5. Step 5: Solve for x
    x = 707,995,446.52/30,342.20
  6. Step 6: Final answer
    x = 23,333.69

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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.