Home / 20,629.68-30,943.56-5,046.48

Finding the Fourth Proportional to 20,629.68, 30,943.56 and 5,046.48

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Solution

The fourth proportional to 20,629.68, 30,943.56 and 5,046.48 is: 7,569.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629.68 : 30,943.56 = 5,046.48 : x
  2. Step 2: Convert to fraction form
    20,629.68/30,943.56 = 5,046.48/x
  3. Step 3: Cross multiply
    20,629.68x = 30,943.56 × 5,046.48
  4. Step 4: Simplify right side
    20,629.68x = 156,156,056.67
  5. Step 5: Solve for x
    x = 156,156,056.67/20,629.68
  6. Step 6: Final answer
    x = 7,569.49

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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.