Home / 20,090.05-30,136.39-6,049.51

Finding the Fourth Proportional to 20,090.05, 30,136.39 and 6,049.51

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Solution

The fourth proportional to 20,090.05, 30,136.39 and 6,049.51 is: 9,074.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,090.05 : 30,136.39 = 6,049.51 : x
  2. Step 2: Convert to fraction form
    20,090.05/30,136.39 = 6,049.51/x
  3. Step 3: Cross multiply
    20,090.05x = 30,136.39 × 6,049.51
  4. Step 4: Simplify right side
    20,090.05x = 182,310,302.20
  5. Step 5: Solve for x
    x = 182,310,302.20/20,090.05
  6. Step 6: Final answer
    x = 9,074.66

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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.