Home / 31,454.46-43,409.25-17,307.30

Finding the Fourth Proportional to 31,454.46, 43,409.25 and 17,307.30

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Solution

The fourth proportional to 31,454.46, 43,409.25 and 17,307.30 is: 23,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,454.46 : 43,409.25 = 17,307.30 : x
  2. Step 2: Convert to fraction form
    31,454.46/43,409.25 = 17,307.30/x
  3. Step 3: Cross multiply
    31,454.46x = 43,409.25 × 17,307.30
  4. Step 4: Simplify right side
    31,454.46x = 751,296,912.53
  5. Step 5: Solve for x
    x = 751,296,912.53/31,454.46
  6. Step 6: Final answer
    x = 23,885.23

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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.