Home / 20,153.52-30,231.77-5,362.38

Finding the Fourth Proportional to 20,153.52, 30,231.77 and 5,362.38

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Solution

The fourth proportional to 20,153.52, 30,231.77 and 5,362.38 is: 8,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153.52 : 30,231.77 = 5,362.38 : x
  2. Step 2: Convert to fraction form
    20,153.52/30,231.77 = 5,362.38/x
  3. Step 3: Cross multiply
    20,153.52x = 30,231.77 × 5,362.38
  4. Step 4: Simplify right side
    20,153.52x = 162,114,212.00
  5. Step 5: Solve for x
    x = 162,114,212.00/20,153.52
  6. Step 6: Final answer
    x = 8,043.97

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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.