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Finding the Fourth Proportional to 37,587.75, 51,871.22 and 20,820.75

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Solution

The fourth proportional to 37,587.75, 51,871.22 and 20,820.75 is: 28,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,587.75 : 51,871.22 = 20,820.75 : x
  2. Step 2: Convert to fraction form
    37,587.75/51,871.22 = 20,820.75/x
  3. Step 3: Cross multiply
    37,587.75x = 51,871.22 × 20,820.75
  4. Step 4: Simplify right side
    37,587.75x = 1,079,997,599.71
  5. Step 5: Solve for x
    x = 1,079,997,599.71/37,587.75
  6. Step 6: Final answer
    x = 28,732.70

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