Home / 33,243.61-45,876.45-18,136.39

Finding the Fourth Proportional to 33,243.61, 45,876.45 and 18,136.39

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Solution

The fourth proportional to 33,243.61, 45,876.45 and 18,136.39 is: 25,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,243.61 : 45,876.45 = 18,136.39 : x
  2. Step 2: Convert to fraction form
    33,243.61/45,876.45 = 18,136.39/x
  3. Step 3: Cross multiply
    33,243.61x = 45,876.45 × 18,136.39
  4. Step 4: Simplify right side
    33,243.61x = 832,033,189.02
  5. Step 5: Solve for x
    x = 832,033,189.02/33,243.61
  6. Step 6: Final answer
    x = 25,028.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.