Home / 58,282.62-87,414.66-20,835.72

Finding the Fourth Proportional to 58,282.62, 87,414.66 and 20,835.72

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Solution

The fourth proportional to 58,282.62, 87,414.66 and 20,835.72 is: 31,250.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,282.62 : 87,414.66 = 20,835.72 : x
  2. Step 2: Convert to fraction form
    58,282.62/87,414.66 = 20,835.72/x
  3. Step 3: Cross multiply
    58,282.62x = 87,414.66 × 20,835.72
  4. Step 4: Simplify right side
    58,282.62x = 1,821,347,379.66
  5. Step 5: Solve for x
    x = 1,821,347,379.66/58,282.62
  6. Step 6: Final answer
    x = 31,250.27

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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.