Home / 55,188.72-82,708.56-39,571.92

Finding the Fourth Proportional to 55,188.72, 82,708.56 and 39,571.92

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Solution

The fourth proportional to 55,188.72, 82,708.56 and 39,571.92 is: 59,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,188.72 : 82,708.56 = 39,571.92 : x
  2. Step 2: Convert to fraction form
    55,188.72/82,708.56 = 39,571.92/x
  3. Step 3: Cross multiply
    55,188.72x = 82,708.56 × 39,571.92
  4. Step 4: Simplify right side
    55,188.72x = 3,272,936,519.64
  5. Step 5: Solve for x
    x = 3,272,936,519.64/55,188.72
  6. Step 6: Final answer
    x = 59,304.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.