Home / 34,542.87-51,816.33-12,358.59

Finding the Fourth Proportional to 34,542.87, 51,816.33 and 12,358.59

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Solution

The fourth proportional to 34,542.87, 51,816.33 and 12,358.59 is: 18,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,542.87 : 51,816.33 = 12,358.59 : x
  2. Step 2: Convert to fraction form
    34,542.87/51,816.33 = 12,358.59/x
  3. Step 3: Cross multiply
    34,542.87x = 51,816.33 × 12,358.59
  4. Step 4: Simplify right side
    34,542.87x = 640,376,777.77
  5. Step 5: Solve for x
    x = 640,376,777.77/34,542.87
  6. Step 6: Final answer
    x = 18,538.61

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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.