Home / 31,512.74-43,487.03-17,172.70

Finding the Fourth Proportional to 31,512.74, 43,487.03 and 17,172.70

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Solution

The fourth proportional to 31,512.74, 43,487.03 and 17,172.70 is: 23,698.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.74 : 43,487.03 = 17,172.70 : x
  2. Step 2: Convert to fraction form
    31,512.74/43,487.03 = 17,172.70/x
  3. Step 3: Cross multiply
    31,512.74x = 43,487.03 × 17,172.70
  4. Step 4: Simplify right side
    31,512.74x = 746,789,525.50
  5. Step 5: Solve for x
    x = 746,789,525.50/31,512.74
  6. Step 6: Final answer
    x = 23,698.02

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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.