Home / 69,238.21-103,867.32-21,837.19

Finding the Fourth Proportional to 69,238.21, 103,867.32 and 21,837.19

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Solution

The fourth proportional to 69,238.21, 103,867.32 and 21,837.19 is: 32,758.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,238.21 : 103,867.32 = 21,837.19 : x
  2. Step 2: Convert to fraction form
    69,238.21/103,867.32 = 21,837.19/x
  3. Step 3: Cross multiply
    69,238.21x = 103,867.32 × 21,837.19
  4. Step 4: Simplify right side
    69,238.21x = 2,268,170,401.63
  5. Step 5: Solve for x
    x = 2,268,170,401.63/69,238.21
  6. Step 6: Final answer
    x = 32,758.94

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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.