Home / 31,778.83-47,660.24-13,064.08

Finding the Fourth Proportional to 31,778.83, 47,660.24 and 13,064.08

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Solution

The fourth proportional to 31,778.83, 47,660.24 and 13,064.08 is: 19,592.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,778.83 : 47,660.24 = 13,064.08 : x
  2. Step 2: Convert to fraction form
    31,778.83/47,660.24 = 13,064.08/x
  3. Step 3: Cross multiply
    31,778.83x = 47,660.24 × 13,064.08
  4. Step 4: Simplify right side
    31,778.83x = 622,637,188.18
  5. Step 5: Solve for x
    x = 622,637,188.18/31,778.83
  6. Step 6: Final answer
    x = 19,592.83

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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.