Home / 73,606.22-110,409.33-21,015.70

Finding the Fourth Proportional to 73,606.22, 110,409.33 and 21,015.70

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Solution

The fourth proportional to 73,606.22, 110,409.33 and 21,015.70 is: 31,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,606.22 : 110,409.33 = 21,015.70 : x
  2. Step 2: Convert to fraction form
    73,606.22/110,409.33 = 21,015.70/x
  3. Step 3: Cross multiply
    73,606.22x = 110,409.33 × 21,015.70
  4. Step 4: Simplify right side
    73,606.22x = 2,320,329,662.11
  5. Step 5: Solve for x
    x = 2,320,329,662.11/73,606.22
  6. Step 6: Final answer
    x = 31,523.55

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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.