Home / 20,239.42-30,360.75-6,200.56

Finding the Fourth Proportional to 20,239.42, 30,360.75 and 6,200.56

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Solution

The fourth proportional to 20,239.42, 30,360.75 and 6,200.56 is: 9,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,239.42 : 30,360.75 = 6,200.56 : x
  2. Step 2: Convert to fraction form
    20,239.42/30,360.75 = 6,200.56/x
  3. Step 3: Cross multiply
    20,239.42x = 30,360.75 × 6,200.56
  4. Step 4: Simplify right side
    20,239.42x = 188,253,652.02
  5. Step 5: Solve for x
    x = 188,253,652.02/20,239.42
  6. Step 6: Final answer
    x = 9,301.34

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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.