Home / 33,215.76-45,837.41-18,108.38

Finding the Fourth Proportional to 33,215.76, 45,837.41 and 18,108.38

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Solution

The fourth proportional to 33,215.76, 45,837.41 and 18,108.38 is: 24,989.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215.76 : 45,837.41 = 18,108.38 : x
  2. Step 2: Convert to fraction form
    33,215.76/45,837.41 = 18,108.38/x
  3. Step 3: Cross multiply
    33,215.76x = 45,837.41 × 18,108.38
  4. Step 4: Simplify right side
    33,215.76x = 830,040,918.77
  5. Step 5: Solve for x
    x = 830,040,918.77/33,215.76
  6. Step 6: Final answer
    x = 24,989.37

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Double scale
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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.