Home / 33,131.18-45,721.53-18,023.87

Finding the Fourth Proportional to 33,131.18, 45,721.53 and 18,023.87

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Solution

The fourth proportional to 33,131.18, 45,721.53 and 18,023.87 is: 24,873.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,131.18 : 45,721.53 = 18,023.87 : x
  2. Step 2: Convert to fraction form
    33,131.18/45,721.53 = 18,023.87/x
  3. Step 3: Cross multiply
    33,131.18x = 45,721.53 × 18,023.87
  4. Step 4: Simplify right side
    33,131.18x = 824,079,027.22
  5. Step 5: Solve for x
    x = 824,079,027.22/33,131.18
  6. Step 6: Final answer
    x = 24,873.22

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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.