Home / 37,422.77-51,644.68-20,428.02

Finding the Fourth Proportional to 37,422.77, 51,644.68 and 20,428.02

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Solution

The fourth proportional to 37,422.77, 51,644.68 and 20,428.02 is: 28,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,422.77 : 51,644.68 = 20,428.02 : x
  2. Step 2: Convert to fraction form
    37,422.77/51,644.68 = 20,428.02/x
  3. Step 3: Cross multiply
    37,422.77x = 51,644.68 × 20,428.02
  4. Step 4: Simplify right side
    37,422.77x = 1,054,998,621.39
  5. Step 5: Solve for x
    x = 1,054,998,621.39/37,422.77
  6. Step 6: Final answer
    x = 28,191.35

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