Home / 47,197.56-70,787.34-13,919.16

Finding the Fourth Proportional to 47,197.56, 70,787.34 and 13,919.16

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Solution

The fourth proportional to 47,197.56, 70,787.34 and 13,919.16 is: 20,876.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,197.56 : 70,787.34 = 13,919.16 : x
  2. Step 2: Convert to fraction form
    47,197.56/70,787.34 = 13,919.16/x
  3. Step 3: Cross multiply
    47,197.56x = 70,787.34 × 13,919.16
  4. Step 4: Simplify right side
    47,197.56x = 985,300,311.43
  5. Step 5: Solve for x
    x = 985,300,311.43/47,197.56
  6. Step 6: Final answer
    x = 20,876.09

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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.