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Finding the Fourth Proportional to 69,682.95, 104,492.52 and 22,288.86

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Solution

The fourth proportional to 69,682.95, 104,492.52 and 22,288.86 is: 33,423.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,682.95 : 104,492.52 = 22,288.86 : x
  2. Step 2: Convert to fraction form
    69,682.95/104,492.52 = 22,288.86/x
  3. Step 3: Cross multiply
    69,682.95x = 104,492.52 × 22,288.86
  4. Step 4: Simplify right side
    69,682.95x = 2,329,019,149.33
  5. Step 5: Solve for x
    x = 2,329,019,149.33/69,682.95
  6. Step 6: Final answer
    x = 33,423.08

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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.