Home / 34,170.24-51,269.40-15,445.20

Finding the Fourth Proportional to 34,170.24, 51,269.40 and 15,445.20

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Solution

The fourth proportional to 34,170.24, 51,269.40 and 15,445.20 is: 23,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,170.24 : 51,269.40 = 15,445.20 : x
  2. Step 2: Convert to fraction form
    34,170.24/51,269.40 = 15,445.20/x
  3. Step 3: Cross multiply
    34,170.24x = 51,269.40 × 15,445.20
  4. Step 4: Simplify right side
    34,170.24x = 791,866,136.88
  5. Step 5: Solve for x
    x = 791,866,136.88/34,170.24
  6. Step 6: Final answer
    x = 23,174.15

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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.