Home / 69,009.27-103,513.77-21,627.99

Finding the Fourth Proportional to 69,009.27, 103,513.77 and 21,627.99

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Solution

The fourth proportional to 69,009.27, 103,513.77 and 21,627.99 is: 32,441.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,009.27 : 103,513.77 = 21,627.99 : x
  2. Step 2: Convert to fraction form
    69,009.27/103,513.77 = 21,627.99/x
  3. Step 3: Cross multiply
    69,009.27x = 103,513.77 × 21,627.99
  4. Step 4: Simplify right side
    69,009.27x = 2,238,794,782.42
  5. Step 5: Solve for x
    x = 2,238,794,782.42/69,009.27
  6. Step 6: Final answer
    x = 32,441.94

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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.