Home / 23,180.46-31,951.68-18,136.58

Finding the Fourth Proportional to 23,180.46, 31,951.68 and 18,136.58

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Solution

The fourth proportional to 23,180.46, 31,951.68 and 18,136.58 is: 24,999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,180.46 : 31,951.68 = 18,136.58 : x
  2. Step 2: Convert to fraction form
    23,180.46/31,951.68 = 18,136.58/x
  3. Step 3: Cross multiply
    23,180.46x = 31,951.68 × 18,136.58
  4. Step 4: Simplify right side
    23,180.46x = 579,494,200.45
  5. Step 5: Solve for x
    x = 579,494,200.45/23,180.46
  6. Step 6: Final answer
    x = 24,999.25

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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.