Home / 47,057.76-70,604.88-20,743.92

Finding the Fourth Proportional to 47,057.76, 70,604.88 and 20,743.92

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Solution

The fourth proportional to 47,057.76, 70,604.88 and 20,743.92 is: 31,123.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,057.76 : 70,604.88 = 20,743.92 : x
  2. Step 2: Convert to fraction form
    47,057.76/70,604.88 = 20,743.92/x
  3. Step 3: Cross multiply
    47,057.76x = 70,604.88 × 20,743.92
  4. Step 4: Simplify right side
    47,057.76x = 1,464,621,982.33
  5. Step 5: Solve for x
    x = 1,464,621,982.33/47,057.76
  6. Step 6: Final answer
    x = 31,123.92

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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.