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Finding the Fourth Proportional to 33,817.40, 50,726.10 and 10,443.80

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Solution

The fourth proportional to 33,817.40, 50,726.10 and 10,443.80 is: 15,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,817.40 : 50,726.10 = 10,443.80 : x
  2. Step 2: Convert to fraction form
    33,817.40/50,726.10 = 10,443.80/x
  3. Step 3: Cross multiply
    33,817.40x = 50,726.10 × 10,443.80
  4. Step 4: Simplify right side
    33,817.40x = 529,773,243.18
  5. Step 5: Solve for x
    x = 529,773,243.18/33,817.40
  6. Step 6: Final answer
    x = 15,665.70

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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.