Home / 55,636.27-83,487.21-20,600.53

Finding the Fourth Proportional to 55,636.27, 83,487.21 and 20,600.53

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Solution

The fourth proportional to 55,636.27, 83,487.21 and 20,600.53 is: 30,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,636.27 : 83,487.21 = 20,600.53 : x
  2. Step 2: Convert to fraction form
    55,636.27/83,487.21 = 20,600.53/x
  3. Step 3: Cross multiply
    55,636.27x = 83,487.21 × 20,600.53
  4. Step 4: Simplify right side
    55,636.27x = 1,719,880,488.25
  5. Step 5: Solve for x
    x = 1,719,880,488.25/55,636.27
  6. Step 6: Final answer
    x = 30,912.94

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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.