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Finding the Fourth Proportional to 69,361.52, 104,042.40 and 22,618.16

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Solution

The fourth proportional to 69,361.52, 104,042.40 and 22,618.16 is: 33,927.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,361.52 : 104,042.40 = 22,618.16 : x
  2. Step 2: Convert to fraction form
    69,361.52/104,042.40 = 22,618.16/x
  3. Step 3: Cross multiply
    69,361.52x = 104,042.40 × 22,618.16
  4. Step 4: Simplify right side
    69,361.52x = 2,353,247,649.98
  5. Step 5: Solve for x
    x = 2,353,247,649.98/69,361.52
  6. Step 6: Final answer
    x = 33,927.28

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1.5x scale

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.