Home / 63,390.20-87,464.61-37,892.75

Finding the Fourth Proportional to 63,390.20, 87,464.61 and 37,892.75

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Solution

The fourth proportional to 63,390.20, 87,464.61 and 37,892.75 is: 52,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,390.20 : 87,464.61 = 37,892.75 : x
  2. Step 2: Convert to fraction form
    63,390.20/87,464.61 = 37,892.75/x
  3. Step 3: Cross multiply
    63,390.20x = 87,464.61 × 37,892.75
  4. Step 4: Simplify right side
    63,390.20x = 3,314,274,163.25
  5. Step 5: Solve for x
    x = 3,314,274,163.25/63,390.20
  6. Step 6: Final answer
    x = 52,283.70

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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.