Home / 31,658.83-43,690.34-17,511.78

Finding the Fourth Proportional to 31,658.83, 43,690.34 and 17,511.78

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Solution

The fourth proportional to 31,658.83, 43,690.34 and 17,511.78 is: 24,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,658.83 : 43,690.34 = 17,511.78 : x
  2. Step 2: Convert to fraction form
    31,658.83/43,690.34 = 17,511.78/x
  3. Step 3: Cross multiply
    31,658.83x = 43,690.34 × 17,511.78
  4. Step 4: Simplify right side
    31,658.83x = 765,095,622.21
  5. Step 5: Solve for x
    x = 765,095,622.21/31,658.83
  6. Step 6: Final answer
    x = 24,166.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.