Home / 58,299.76-87,452.38-18,859.95

Finding the Fourth Proportional to 58,299.76, 87,452.38 and 18,859.95

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Solution

The fourth proportional to 58,299.76, 87,452.38 and 18,859.95 is: 28,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,299.76 : 87,452.38 = 18,859.95 : x
  2. Step 2: Convert to fraction form
    58,299.76/87,452.38 = 18,859.95/x
  3. Step 3: Cross multiply
    58,299.76x = 87,452.38 × 18,859.95
  4. Step 4: Simplify right side
    58,299.76x = 1,649,347,419.88
  5. Step 5: Solve for x
    x = 1,649,347,419.88/58,299.76
  6. Step 6: Final answer
    x = 28,290.81

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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.