Home / 29,921.58-41,291.28-16,309.80

Finding the Fourth Proportional to 29,921.58, 41,291.28 and 16,309.80

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Solution

The fourth proportional to 29,921.58, 41,291.28 and 16,309.80 is: 22,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,921.58 : 41,291.28 = 16,309.80 : x
  2. Step 2: Convert to fraction form
    29,921.58/41,291.28 = 16,309.80/x
  3. Step 3: Cross multiply
    29,921.58x = 41,291.28 × 16,309.80
  4. Step 4: Simplify right side
    29,921.58x = 673,452,518.54
  5. Step 5: Solve for x
    x = 673,452,518.54/29,921.58
  6. Step 6: Final answer
    x = 22,507.25

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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.