Home / 31,564.12-47,333.20-11,832.52

Finding the Fourth Proportional to 31,564.12, 47,333.20 and 11,832.52

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Solution

The fourth proportional to 31,564.12, 47,333.20 and 11,832.52 is: 17,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.12 : 47,333.20 = 11,832.52 : x
  2. Step 2: Convert to fraction form
    31,564.12/47,333.20 = 11,832.52/x
  3. Step 3: Cross multiply
    31,564.12x = 47,333.20 × 11,832.52
  4. Step 4: Simplify right side
    31,564.12x = 560,071,035.66
  5. Step 5: Solve for x
    x = 560,071,035.66/31,564.12
  6. Step 6: Final answer
    x = 17,743.91

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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.