Home / 36,681.39-55,021.46-11,721.29

Finding the Fourth Proportional to 36,681.39, 55,021.46 and 11,721.29

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Solution

The fourth proportional to 36,681.39, 55,021.46 and 11,721.29 is: 17,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681.39 : 55,021.46 = 11,721.29 : x
  2. Step 2: Convert to fraction form
    36,681.39/55,021.46 = 11,721.29/x
  3. Step 3: Cross multiply
    36,681.39x = 55,021.46 × 11,721.29
  4. Step 4: Simplify right side
    36,681.39x = 644,922,155.17
  5. Step 5: Solve for x
    x = 644,922,155.17/36,681.39
  6. Step 6: Final answer
    x = 17,581.73

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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.