Home / 47,989.47-66,233.97-30,099.81

Finding the Fourth Proportional to 47,989.47, 66,233.97 and 30,099.81

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Solution

The fourth proportional to 47,989.47, 66,233.97 and 30,099.81 is: 41,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,989.47 : 66,233.97 = 30,099.81 : x
  2. Step 2: Convert to fraction form
    47,989.47/66,233.97 = 30,099.81/x
  3. Step 3: Cross multiply
    47,989.47x = 66,233.97 × 30,099.81
  4. Step 4: Simplify right side
    47,989.47x = 1,993,629,912.55
  5. Step 5: Solve for x
    x = 1,993,629,912.55/47,989.47
  6. Step 6: Final answer
    x = 41,543.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.