Home / 33,905.92-50,865.60-13,129.60

Finding the Fourth Proportional to 33,905.92, 50,865.60 and 13,129.60

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Solution

The fourth proportional to 33,905.92, 50,865.60 and 13,129.60 is: 19,697.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,905.92 : 50,865.60 = 13,129.60 : x
  2. Step 2: Convert to fraction form
    33,905.92/50,865.60 = 13,129.60/x
  3. Step 3: Cross multiply
    33,905.92x = 50,865.60 × 13,129.60
  4. Step 4: Simplify right side
    33,905.92x = 667,844,981.76
  5. Step 5: Solve for x
    x = 667,844,981.76/33,905.92
  6. Step 6: Final answer
    x = 19,697.00

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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.