Home / 31,794.16-47,691.24-12,068.04

Finding the Fourth Proportional to 31,794.16, 47,691.24 and 12,068.04

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Solution

The fourth proportional to 31,794.16, 47,691.24 and 12,068.04 is: 18,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,794.16 : 47,691.24 = 12,068.04 : x
  2. Step 2: Convert to fraction form
    31,794.16/47,691.24 = 12,068.04/x
  3. Step 3: Cross multiply
    31,794.16x = 47,691.24 × 12,068.04
  4. Step 4: Simplify right side
    31,794.16x = 575,539,791.97
  5. Step 5: Solve for x
    x = 575,539,791.97/31,794.16
  6. Step 6: Final answer
    x = 18,102.06

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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.