Home / 58,227.28-87,359.37-20,786.52

Finding the Fourth Proportional to 58,227.28, 87,359.37 and 20,786.52

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Solution

The fourth proportional to 58,227.28, 87,359.37 and 20,786.52 is: 31,186.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,227.28 : 87,359.37 = 20,786.52 : x
  2. Step 2: Convert to fraction form
    58,227.28/87,359.37 = 20,786.52/x
  3. Step 3: Cross multiply
    58,227.28x = 87,359.37 × 20,786.52
  4. Step 4: Simplify right side
    58,227.28x = 1,815,897,599.80
  5. Step 5: Solve for x
    x = 1,815,897,599.80/58,227.28
  6. Step 6: Final answer
    x = 31,186.37

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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.