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Finding the Fourth Proportional to 62,150.28, 85,770 and 33,857.52

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Solution

The fourth proportional to 62,150.28, 85,770 and 33,857.52 is: 46,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,150.28 : 85,770 = 33,857.52 : x
  2. Step 2: Convert to fraction form
    62,150.28/85,770 = 33,857.52/x
  3. Step 3: Cross multiply
    62,150.28x = 85,770 × 33,857.52
  4. Step 4: Simplify right side
    62,150.28x = 2,903,959,490.40
  5. Step 5: Solve for x
    x = 2,903,959,490.40/62,150.28
  6. Step 6: Final answer
    x = 46,724.80

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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.