Home / 33,135.50-49,701.62-12,357.38

Finding the Fourth Proportional to 33,135.50, 49,701.62 and 12,357.38

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Solution

The fourth proportional to 33,135.50, 49,701.62 and 12,357.38 is: 18,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,135.50 : 49,701.62 = 12,357.38 : x
  2. Step 2: Convert to fraction form
    33,135.50/49,701.62 = 12,357.38/x
  3. Step 3: Cross multiply
    33,135.50x = 49,701.62 × 12,357.38
  4. Step 4: Simplify right side
    33,135.50x = 614,181,587.34
  5. Step 5: Solve for x
    x = 614,181,587.34/33,135.50
  6. Step 6: Final answer
    x = 18,535.46

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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.