Home / 47,528.21-71,286.83-12,470.60

Finding the Fourth Proportional to 47,528.21, 71,286.83 and 12,470.60

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Solution

The fourth proportional to 47,528.21, 71,286.83 and 12,470.60 is: 18,704.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,528.21 : 71,286.83 = 12,470.60 : x
  2. Step 2: Convert to fraction form
    47,528.21/71,286.83 = 12,470.60/x
  3. Step 3: Cross multiply
    47,528.21x = 71,286.83 × 12,470.60
  4. Step 4: Simplify right side
    47,528.21x = 888,989,185.76
  5. Step 5: Solve for x
    x = 888,989,185.76/47,528.21
  6. Step 6: Final answer
    x = 18,704.46

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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.