Home / 34,354.68-51,530.28-20,131.20

Finding the Fourth Proportional to 34,354.68, 51,530.28 and 20,131.20

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Solution

The fourth proportional to 34,354.68, 51,530.28 and 20,131.20 is: 30,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,354.68 : 51,530.28 = 20,131.20 : x
  2. Step 2: Convert to fraction form
    34,354.68/51,530.28 = 20,131.20/x
  3. Step 3: Cross multiply
    34,354.68x = 51,530.28 × 20,131.20
  4. Step 4: Simplify right side
    34,354.68x = 1,037,366,372.74
  5. Step 5: Solve for x
    x = 1,037,366,372.74/34,354.68
  6. Step 6: Final answer
    x = 30,195.78

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1.5x scale

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.