Home / 31,512.53-43,486.73-17,172.48

Finding the Fourth Proportional to 31,512.53, 43,486.73 and 17,172.48

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Solution

The fourth proportional to 31,512.53, 43,486.73 and 17,172.48 is: 23,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.53 : 43,486.73 = 17,172.48 : x
  2. Step 2: Convert to fraction form
    31,512.53/43,486.73 = 17,172.48/x
  3. Step 3: Cross multiply
    31,512.53x = 43,486.73 × 17,172.48
  4. Step 4: Simplify right side
    31,512.53x = 746,774,915.33
  5. Step 5: Solve for x
    x = 746,774,915.33/31,512.53
  6. Step 6: Final answer
    x = 23,697.72

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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.