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Finding the Fourth Proportional to 59,433.92, 81,992.64 and 35,548.80

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Solution

The fourth proportional to 59,433.92, 81,992.64 and 35,548.80 is: 49,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,433.92 : 81,992.64 = 35,548.80 : x
  2. Step 2: Convert to fraction form
    59,433.92/81,992.64 = 35,548.80/x
  3. Step 3: Cross multiply
    59,433.92x = 81,992.64 × 35,548.80
  4. Step 4: Simplify right side
    59,433.92x = 2,914,739,960.83
  5. Step 5: Solve for x
    x = 2,914,739,960.83/59,433.92
  6. Step 6: Final answer
    x = 49,041.69

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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.