Home / 31,697.38-43,742.21-17,356.95

Finding the Fourth Proportional to 31,697.38, 43,742.21 and 17,356.95

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Solution

The fourth proportional to 31,697.38, 43,742.21 and 17,356.95 is: 23,952.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,697.38 : 43,742.21 = 17,356.95 : x
  2. Step 2: Convert to fraction form
    31,697.38/43,742.21 = 17,356.95/x
  3. Step 3: Cross multiply
    31,697.38x = 43,742.21 × 17,356.95
  4. Step 4: Simplify right side
    31,697.38x = 759,231,351.86
  5. Step 5: Solve for x
    x = 759,231,351.86/31,697.38
  6. Step 6: Final answer
    x = 23,952.50

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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.