Home / 34,291.69-51,523.80-21,817.29

Finding the Fourth Proportional to 34,291.69, 51,523.80 and 21,817.29

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Solution

The fourth proportional to 34,291.69, 51,523.80 and 21,817.29 is: 32,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,291.69 : 51,523.80 = 21,817.29 : x
  2. Step 2: Convert to fraction form
    34,291.69/51,523.80 = 21,817.29/x
  3. Step 3: Cross multiply
    34,291.69x = 51,523.80 × 21,817.29
  4. Step 4: Simplify right side
    34,291.69x = 1,124,109,428.88
  5. Step 5: Solve for x
    x = 1,124,109,428.88/34,291.69
  6. Step 6: Final answer
    x = 32,780.81

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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.