Home / 63,171.45-87,180.60-36,318.15

Finding the Fourth Proportional to 63,171.45, 87,180.60 and 36,318.15

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Solution

The fourth proportional to 63,171.45, 87,180.60 and 36,318.15 is: 50,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,171.45 : 87,180.60 = 36,318.15 : x
  2. Step 2: Convert to fraction form
    63,171.45/87,180.60 = 36,318.15/x
  3. Step 3: Cross multiply
    63,171.45x = 87,180.60 × 36,318.15
  4. Step 4: Simplify right side
    63,171.45x = 3,166,238,107.89
  5. Step 5: Solve for x
    x = 3,166,238,107.89/63,171.45
  6. Step 6: Final answer
    x = 50,121.35

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1.5x scale

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.