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Finding the Fourth Proportional to 35,155.92, 48,515.46 and 21,724.11

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Solution

The fourth proportional to 35,155.92, 48,515.46 and 21,724.11 is: 29,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,155.92 : 48,515.46 = 21,724.11 : x
  2. Step 2: Convert to fraction form
    35,155.92/48,515.46 = 21,724.11/x
  3. Step 3: Cross multiply
    35,155.92x = 48,515.46 × 21,724.11
  4. Step 4: Simplify right side
    35,155.92x = 1,053,955,189.74
  5. Step 5: Solve for x
    x = 1,053,955,189.74/35,155.92
  6. Step 6: Final answer
    x = 29,979.45

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