Home / 31,845.42-43,947.36-17,697.96

Finding the Fourth Proportional to 31,845.42, 43,947.36 and 17,697.96

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Solution

The fourth proportional to 31,845.42, 43,947.36 and 17,697.96 is: 24,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,845.42 : 43,947.36 = 17,697.96 : x
  2. Step 2: Convert to fraction form
    31,845.42/43,947.36 = 17,697.96/x
  3. Step 3: Cross multiply
    31,845.42x = 43,947.36 × 17,697.96
  4. Step 4: Simplify right side
    31,845.42x = 777,778,619.39
  5. Step 5: Solve for x
    x = 777,778,619.39/31,845.42
  6. Step 6: Final answer
    x = 24,423.56

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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.