Home / 47,134.25-70,683.42-20,824.64

Finding the Fourth Proportional to 47,134.25, 70,683.42 and 20,824.64

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Solution

The fourth proportional to 47,134.25, 70,683.42 and 20,824.64 is: 31,229.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,134.25 : 70,683.42 = 20,824.64 : x
  2. Step 2: Convert to fraction form
    47,134.25/70,683.42 = 20,824.64/x
  3. Step 3: Cross multiply
    47,134.25x = 70,683.42 × 20,824.64
  4. Step 4: Simplify right side
    47,134.25x = 1,471,956,775.47
  5. Step 5: Solve for x
    x = 1,471,956,775.47/47,134.25
  6. Step 6: Final answer
    x = 31,229.03

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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.