Home / 34,200.78-51,353.68-30,487.44

Finding the Fourth Proportional to 34,200.78, 51,353.68 and 30,487.44

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Solution

The fourth proportional to 34,200.78, 51,353.68 and 30,487.44 is: 45,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,200.78 : 51,353.68 = 30,487.44 : x
  2. Step 2: Convert to fraction form
    34,200.78/51,353.68 = 30,487.44/x
  3. Step 3: Cross multiply
    34,200.78x = 51,353.68 × 30,487.44
  4. Step 4: Simplify right side
    34,200.78x = 1,565,642,237.78
  5. Step 5: Solve for x
    x = 1,565,642,237.78/34,200.78
  6. Step 6: Final answer
    x = 45,777.97

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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.