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Finding the Fourth Proportional to 58,751.14, 81,076.56 and 33,600.64

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Solution

The fourth proportional to 58,751.14, 81,076.56 and 33,600.64 is: 46,368.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,751.14 : 81,076.56 = 33,600.64 : x
  2. Step 2: Convert to fraction form
    58,751.14/81,076.56 = 33,600.64/x
  3. Step 3: Cross multiply
    58,751.14x = 81,076.56 × 33,600.64
  4. Step 4: Simplify right side
    58,751.14x = 2,724,224,305.00
  5. Step 5: Solve for x
    x = 2,724,224,305.00/58,751.14
  6. Step 6: Final answer
    x = 46,368.88

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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.