Home / 36,665.22-55,005.93-13,291.05

Finding the Fourth Proportional to 36,665.22, 55,005.93 and 13,291.05

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Solution

The fourth proportional to 36,665.22, 55,005.93 and 13,291.05 is: 19,939.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,665.22 : 55,005.93 = 13,291.05 : x
  2. Step 2: Convert to fraction form
    36,665.22/55,005.93 = 13,291.05/x
  3. Step 3: Cross multiply
    36,665.22x = 55,005.93 × 13,291.05
  4. Step 4: Simplify right side
    36,665.22x = 731,086,565.93
  5. Step 5: Solve for x
    x = 731,086,565.93/36,665.22
  6. Step 6: Final answer
    x = 19,939.51

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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.