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Finding the Fourth Proportional to 58,964.40, 81,232.44 and 41,028.60

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Solution

The fourth proportional to 58,964.40, 81,232.44 and 41,028.60 is: 56,523.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,964.40 : 81,232.44 = 41,028.60 : x
  2. Step 2: Convert to fraction form
    58,964.40/81,232.44 = 41,028.60/x
  3. Step 3: Cross multiply
    58,964.40x = 81,232.44 × 41,028.60
  4. Step 4: Simplify right side
    58,964.40x = 3,332,853,287.78
  5. Step 5: Solve for x
    x = 3,332,853,287.78/58,964.40
  6. Step 6: Final answer
    x = 56,523.14

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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.