Home / 31,786.10-47,679.16-12,059.97

Finding the Fourth Proportional to 31,786.10, 47,679.16 and 12,059.97

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Solution

The fourth proportional to 31,786.10, 47,679.16 and 12,059.97 is: 18,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,786.10 : 47,679.16 = 12,059.97 : x
  2. Step 2: Convert to fraction form
    31,786.10/47,679.16 = 12,059.97/x
  3. Step 3: Cross multiply
    31,786.10x = 47,679.16 × 12,059.97
  4. Step 4: Simplify right side
    31,786.10x = 575,009,239.23
  5. Step 5: Solve for x
    x = 575,009,239.23/31,786.10
  6. Step 6: Final answer
    x = 18,089.96

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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.