Home / 33,100.16-49,639.70-10,909.40

Finding the Fourth Proportional to 33,100.16, 49,639.70 and 10,909.40

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Solution

The fourth proportional to 33,100.16, 49,639.70 and 10,909.40 is: 16,360.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,100.16 : 49,639.70 = 10,909.40 : x
  2. Step 2: Convert to fraction form
    33,100.16/49,639.70 = 10,909.40/x
  3. Step 3: Cross multiply
    33,100.16x = 49,639.70 × 10,909.40
  4. Step 4: Simplify right side
    33,100.16x = 541,539,122.25
  5. Step 5: Solve for x
    x = 541,539,122.25/33,100.16
  6. Step 6: Final answer
    x = 16,360.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.