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Finding the Fourth Proportional to 33,009.20, 49,513.80 and 16,371.80

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Solution

The fourth proportional to 33,009.20, 49,513.80 and 16,371.80 is: 24,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,009.20 : 49,513.80 = 16,371.80 : x
  2. Step 2: Convert to fraction form
    33,009.20/49,513.80 = 16,371.80/x
  3. Step 3: Cross multiply
    33,009.20x = 49,513.80 × 16,371.80
  4. Step 4: Simplify right side
    33,009.20x = 810,630,030.84
  5. Step 5: Solve for x
    x = 810,630,030.84/33,009.20
  6. Step 6: Final answer
    x = 24,557.70

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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.