Home / 20,149.02-30,225.02-5,357.88

Finding the Fourth Proportional to 20,149.02, 30,225.02 and 5,357.88

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Solution

The fourth proportional to 20,149.02, 30,225.02 and 5,357.88 is: 8,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149.02 : 30,225.02 = 5,357.88 : x
  2. Step 2: Convert to fraction form
    20,149.02/30,225.02 = 5,357.88/x
  3. Step 3: Cross multiply
    20,149.02x = 30,225.02 × 5,357.88
  4. Step 4: Simplify right side
    20,149.02x = 161,942,003.37
  5. Step 5: Solve for x
    x = 161,942,003.37/20,149.02
  6. Step 6: Final answer
    x = 8,037.21

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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.