Home / 31,860.17-43,968.14-17,520.59

Finding the Fourth Proportional to 31,860.17, 43,968.14 and 17,520.59

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Solution

The fourth proportional to 31,860.17, 43,968.14 and 17,520.59 is: 24,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,860.17 : 43,968.14 = 17,520.59 : x
  2. Step 2: Convert to fraction form
    31,860.17/43,968.14 = 17,520.59/x
  3. Step 3: Cross multiply
    31,860.17x = 43,968.14 × 17,520.59
  4. Step 4: Simplify right side
    31,860.17x = 770,347,446.56
  5. Step 5: Solve for x
    x = 770,347,446.56/31,860.17
  6. Step 6: Final answer
    x = 24,179.02

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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.