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Finding the Fourth Proportional to 33,199.60, 49,808.20 and 14,471.60

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Solution

The fourth proportional to 33,199.60, 49,808.20 and 14,471.60 is: 21,711.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,199.60 : 49,808.20 = 14,471.60 : x
  2. Step 2: Convert to fraction form
    33,199.60/49,808.20 = 14,471.60/x
  3. Step 3: Cross multiply
    33,199.60x = 49,808.20 × 14,471.60
  4. Step 4: Simplify right side
    33,199.60x = 720,804,347.12
  5. Step 5: Solve for x
    x = 720,804,347.12/33,199.60
  6. Step 6: Final answer
    x = 21,711.24

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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.