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Finding the Fourth Proportional to 33,904.40, 50,856.60 and 10,533.20

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Solution

The fourth proportional to 33,904.40, 50,856.60 and 10,533.20 is: 15,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,904.40 : 50,856.60 = 10,533.20 : x
  2. Step 2: Convert to fraction form
    33,904.40/50,856.60 = 10,533.20/x
  3. Step 3: Cross multiply
    33,904.40x = 50,856.60 × 10,533.20
  4. Step 4: Simplify right side
    33,904.40x = 535,682,739.12
  5. Step 5: Solve for x
    x = 535,682,739.12/33,904.40
  6. Step 6: Final answer
    x = 15,799.80

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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.