Home / 55,837.28-83,766.18-18,399.56

Finding the Fourth Proportional to 55,837.28, 83,766.18 and 18,399.56

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Solution

The fourth proportional to 55,837.28, 83,766.18 and 18,399.56 is: 27,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,837.28 : 83,766.18 = 18,399.56 : x
  2. Step 2: Convert to fraction form
    55,837.28/83,766.18 = 18,399.56/x
  3. Step 3: Cross multiply
    55,837.28x = 83,766.18 × 18,399.56
  4. Step 4: Simplify right side
    55,837.28x = 1,541,260,599.47
  5. Step 5: Solve for x
    x = 1,541,260,599.47/55,837.28
  6. Step 6: Final answer
    x = 27,602.72

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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.