Home / 58,571.13-87,865.28-18,576.78

Finding the Fourth Proportional to 58,571.13, 87,865.28 and 18,576.78

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Solution

The fourth proportional to 58,571.13, 87,865.28 and 18,576.78 is: 27,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,571.13 : 87,865.28 = 18,576.78 : x
  2. Step 2: Convert to fraction form
    58,571.13/87,865.28 = 18,576.78/x
  3. Step 3: Cross multiply
    58,571.13x = 87,865.28 × 18,576.78
  4. Step 4: Simplify right side
    58,571.13x = 1,632,253,536.87
  5. Step 5: Solve for x
    x = 1,632,253,536.87/58,571.13
  6. Step 6: Final answer
    x = 27,867.89

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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.