Home / 47,064.24-70,540.68-20,713.92

Finding the Fourth Proportional to 47,064.24, 70,540.68 and 20,713.92

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Solution

The fourth proportional to 47,064.24, 70,540.68 and 20,713.92 is: 31,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,064.24 : 70,540.68 = 20,713.92 : x
  2. Step 2: Convert to fraction form
    47,064.24/70,540.68 = 20,713.92/x
  3. Step 3: Cross multiply
    47,064.24x = 70,540.68 × 20,713.92
  4. Step 4: Simplify right side
    47,064.24x = 1,461,174,002.27
  5. Step 5: Solve for x
    x = 1,461,174,002.27/47,064.24
  6. Step 6: Final answer
    x = 31,046.37

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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.