Home / 34,438.20-51,608.10-19,615.80

Finding the Fourth Proportional to 34,438.20, 51,608.10 and 19,615.80

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Solution

The fourth proportional to 34,438.20, 51,608.10 and 19,615.80 is: 29,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,438.20 : 51,608.10 = 19,615.80 : x
  2. Step 2: Convert to fraction form
    34,438.20/51,608.10 = 19,615.80/x
  3. Step 3: Cross multiply
    34,438.20x = 51,608.10 × 19,615.80
  4. Step 4: Simplify right side
    34,438.20x = 1,012,334,167.98
  5. Step 5: Solve for x
    x = 1,012,334,167.98/34,438.20
  6. Step 6: Final answer
    x = 29,395.68

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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.