Home / 29,920.92-41,289.12-16,489.50

Finding the Fourth Proportional to 29,920.92, 41,289.12 and 16,489.50

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Solution

The fourth proportional to 29,920.92, 41,289.12 and 16,489.50 is: 22,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,920.92 : 41,289.12 = 16,489.50 : x
  2. Step 2: Convert to fraction form
    29,920.92/41,289.12 = 16,489.50/x
  3. Step 3: Cross multiply
    29,920.92x = 41,289.12 × 16,489.50
  4. Step 4: Simplify right side
    29,920.92x = 680,836,944.24
  5. Step 5: Solve for x
    x = 680,836,944.24/29,920.92
  6. Step 6: Final answer
    x = 22,754.55

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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.