Home / 31,511.96-43,486.41-17,364.80

Finding the Fourth Proportional to 31,511.96, 43,486.41 and 17,364.80

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Solution

The fourth proportional to 31,511.96, 43,486.41 and 17,364.80 is: 23,963.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,511.96 : 43,486.41 = 17,364.80 : x
  2. Step 2: Convert to fraction form
    31,511.96/43,486.41 = 17,364.80/x
  3. Step 3: Cross multiply
    31,511.96x = 43,486.41 × 17,364.80
  4. Step 4: Simplify right side
    31,511.96x = 755,132,594.94
  5. Step 5: Solve for x
    x = 755,132,594.94/31,511.96
  6. Step 6: Final answer
    x = 23,963.37

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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.