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Finding the Fourth Proportional to 32,622, 45,022.20 and 19,374

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Solution

The fourth proportional to 32,622, 45,022.20 and 19,374 is: 26,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,622 : 45,022.20 = 19,374 : x
  2. Step 2: Convert to fraction form
    32,622/45,022.20 = 19,374/x
  3. Step 3: Cross multiply
    32,622x = 45,022.20 × 19,374
  4. Step 4: Simplify right side
    32,622x = 872,260,102.80
  5. Step 5: Solve for x
    x = 872,260,102.80/32,622
  6. Step 6: Final answer
    x = 26,738.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.