Home / 33,322.47-49,971.42-11,129.91

Finding the Fourth Proportional to 33,322.47, 49,971.42 and 11,129.91

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Solution

The fourth proportional to 33,322.47, 49,971.42 and 11,129.91 is: 16,690.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,322.47 : 49,971.42 = 11,129.91 : x
  2. Step 2: Convert to fraction form
    33,322.47/49,971.42 = 11,129.91/x
  3. Step 3: Cross multiply
    33,322.47x = 49,971.42 × 11,129.91
  4. Step 4: Simplify right side
    33,322.47x = 556,177,407.17
  5. Step 5: Solve for x
    x = 556,177,407.17/33,322.47
  6. Step 6: Final answer
    x = 16,690.76

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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.