Home / 31,720.38-43,774.38-17,573.46

Finding the Fourth Proportional to 31,720.38, 43,774.38 and 17,573.46

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Solution

The fourth proportional to 31,720.38, 43,774.38 and 17,573.46 is: 24,251.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,720.38 : 43,774.38 = 17,573.46 : x
  2. Step 2: Convert to fraction form
    31,720.38/43,774.38 = 17,573.46/x
  3. Step 3: Cross multiply
    31,720.38x = 43,774.38 × 17,573.46
  4. Step 4: Simplify right side
    31,720.38x = 769,267,315.95
  5. Step 5: Solve for x
    x = 769,267,315.95/31,720.38
  6. Step 6: Final answer
    x = 24,251.52

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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.