Home / 34,575.33-51,879.93-12,390.42

Finding the Fourth Proportional to 34,575.33, 51,879.93 and 12,390.42

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Solution

The fourth proportional to 34,575.33, 51,879.93 and 12,390.42 is: 18,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,575.33 : 51,879.93 = 12,390.42 : x
  2. Step 2: Convert to fraction form
    34,575.33/51,879.93 = 12,390.42/x
  3. Step 3: Cross multiply
    34,575.33x = 51,879.93 × 12,390.42
  4. Step 4: Simplify right side
    34,575.33x = 642,814,122.27
  5. Step 5: Solve for x
    x = 642,814,122.27/34,575.33
  6. Step 6: Final answer
    x = 18,591.70

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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.