Home / 34,354.62-51,530.31-20,131.02

Finding the Fourth Proportional to 34,354.62, 51,530.31 and 20,131.02

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Solution

The fourth proportional to 34,354.62, 51,530.31 and 20,131.02 is: 30,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,354.62 : 51,530.31 = 20,131.02 : x
  2. Step 2: Convert to fraction form
    34,354.62/51,530.31 = 20,131.02/x
  3. Step 3: Cross multiply
    34,354.62x = 51,530.31 × 20,131.02
  4. Step 4: Simplify right side
    34,354.62x = 1,037,357,701.22
  5. Step 5: Solve for x
    x = 1,037,357,701.22/34,354.62
  6. Step 6: Final answer
    x = 30,195.58

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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.