Home / 31,371.42-43,276.23-25,409.82

Finding the Fourth Proportional to 31,371.42, 43,276.23 and 25,409.82

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Solution

The fourth proportional to 31,371.42, 43,276.23 and 25,409.82 is: 35,052.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.42 : 43,276.23 = 25,409.82 : x
  2. Step 2: Convert to fraction form
    31,371.42/43,276.23 = 25,409.82/x
  3. Step 3: Cross multiply
    31,371.42x = 43,276.23 × 25,409.82
  4. Step 4: Simplify right side
    31,371.42x = 1,099,641,214.58
  5. Step 5: Solve for x
    x = 1,099,641,214.58/31,371.42
  6. Step 6: Final answer
    x = 35,052.33

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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.