Home / 34,348.68-51,521.31-20,125.20

Finding the Fourth Proportional to 34,348.68, 51,521.31 and 20,125.20

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Solution

The fourth proportional to 34,348.68, 51,521.31 and 20,125.20 is: 30,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,348.68 : 51,521.31 = 20,125.20 : x
  2. Step 2: Convert to fraction form
    34,348.68/51,521.31 = 20,125.20/x
  3. Step 3: Cross multiply
    34,348.68x = 51,521.31 × 20,125.20
  4. Step 4: Simplify right side
    34,348.68x = 1,036,876,668.01
  5. Step 5: Solve for x
    x = 1,036,876,668.01/34,348.68
  6. Step 6: Final answer
    x = 30,186.80

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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.