Home / 31,638.58-43,657.41-17,491.66

Finding the Fourth Proportional to 31,638.58, 43,657.41 and 17,491.66

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Solution

The fourth proportional to 31,638.58, 43,657.41 and 17,491.66 is: 24,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,638.58 : 43,657.41 = 17,491.66 : x
  2. Step 2: Convert to fraction form
    31,638.58/43,657.41 = 17,491.66/x
  3. Step 3: Cross multiply
    31,638.58x = 43,657.41 × 17,491.66
  4. Step 4: Simplify right side
    31,638.58x = 763,640,572.20
  5. Step 5: Solve for x
    x = 763,640,572.20/31,638.58
  6. Step 6: Final answer
    x = 24,136.37

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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.