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Finding the Fourth Proportional to 59,352.28, 81,905.92 and 33,858.60

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Solution

The fourth proportional to 59,352.28, 81,905.92 and 33,858.60 is: 46,724.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,352.28 : 81,905.92 = 33,858.60 : x
  2. Step 2: Convert to fraction form
    59,352.28/81,905.92 = 33,858.60/x
  3. Step 3: Cross multiply
    59,352.28x = 81,905.92 × 33,858.60
  4. Step 4: Simplify right side
    59,352.28x = 2,773,219,373.38
  5. Step 5: Solve for x
    x = 2,773,219,373.38/59,352.28
  6. Step 6: Final answer
    x = 46,724.74

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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.