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Finding the Fourth Proportional to 33,817.80, 50,726.70 and 13,041.30

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Solution

The fourth proportional to 33,817.80, 50,726.70 and 13,041.30 is: 19,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,817.80 : 50,726.70 = 13,041.30 : x
  2. Step 2: Convert to fraction form
    33,817.80/50,726.70 = 13,041.30/x
  3. Step 3: Cross multiply
    33,817.80x = 50,726.70 × 13,041.30
  4. Step 4: Simplify right side
    33,817.80x = 661,542,112.71
  5. Step 5: Solve for x
    x = 661,542,112.71/33,817.80
  6. Step 6: Final answer
    x = 19,561.95

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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.