Home / 31,580.15-47,398.91-16,801.43

Finding the Fourth Proportional to 31,580.15, 47,398.91 and 16,801.43

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Solution

The fourth proportional to 31,580.15, 47,398.91 and 16,801.43 is: 25,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,580.15 : 47,398.91 = 16,801.43 : x
  2. Step 2: Convert to fraction form
    31,580.15/47,398.91 = 16,801.43/x
  3. Step 3: Cross multiply
    31,580.15x = 47,398.91 × 16,801.43
  4. Step 4: Simplify right side
    31,580.15x = 796,369,147.44
  5. Step 5: Solve for x
    x = 796,369,147.44/31,580.15
  6. Step 6: Final answer
    x = 25,217.40

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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.