Home / 58,675.39-87,974.20-21,230.59

Finding the Fourth Proportional to 58,675.39, 87,974.20 and 21,230.59

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Solution

The fourth proportional to 58,675.39, 87,974.20 and 21,230.59 is: 31,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,675.39 : 87,974.20 = 21,230.59 : x
  2. Step 2: Convert to fraction form
    58,675.39/87,974.20 = 21,230.59/x
  3. Step 3: Cross multiply
    58,675.39x = 87,974.20 × 21,230.59
  4. Step 4: Simplify right side
    58,675.39x = 1,867,744,170.78
  5. Step 5: Solve for x
    x = 1,867,744,170.78/58,675.39
  6. Step 6: Final answer
    x = 31,831.82

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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.