Home / 20,543.24-30,812.48-5,753.34

Finding the Fourth Proportional to 20,543.24, 30,812.48 and 5,753.34

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Solution

The fourth proportional to 20,543.24, 30,812.48 and 5,753.34 is: 8,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,543.24 : 30,812.48 = 5,753.34 : x
  2. Step 2: Convert to fraction form
    20,543.24/30,812.48 = 5,753.34/x
  3. Step 3: Cross multiply
    20,543.24x = 30,812.48 × 5,753.34
  4. Step 4: Simplify right side
    20,543.24x = 177,274,673.68
  5. Step 5: Solve for x
    x = 177,274,673.68/20,543.24
  6. Step 6: Final answer
    x = 8,629.34

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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.