Home / 36,707.60-55,061.09-21,817.91

Finding the Fourth Proportional to 36,707.60, 55,061.09 and 21,817.91

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Solution

The fourth proportional to 36,707.60, 55,061.09 and 21,817.91 is: 32,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,707.60 : 55,061.09 = 21,817.91 : x
  2. Step 2: Convert to fraction form
    36,707.60/55,061.09 = 21,817.91/x
  3. Step 3: Cross multiply
    36,707.60x = 55,061.09 × 21,817.91
  4. Step 4: Simplify right side
    36,707.60x = 1,201,317,906.12
  5. Step 5: Solve for x
    x = 1,201,317,906.12/36,707.60
  6. Step 6: Final answer
    x = 32,726.68

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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.