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Finding the Fourth Proportional to 33,699.80, 50,549.70 and 10,323.20

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Solution

The fourth proportional to 33,699.80, 50,549.70 and 10,323.20 is: 15,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,699.80 : 50,549.70 = 10,323.20 : x
  2. Step 2: Convert to fraction form
    33,699.80/50,549.70 = 10,323.20/x
  3. Step 3: Cross multiply
    33,699.80x = 50,549.70 × 10,323.20
  4. Step 4: Simplify right side
    33,699.80x = 521,834,663.04
  5. Step 5: Solve for x
    x = 521,834,663.04/33,699.80
  6. Step 6: Final answer
    x = 15,484.80

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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.