Home / 31,219.78-46,772.96-18,044.32

Finding the Fourth Proportional to 31,219.78, 46,772.96 and 18,044.32

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Solution

The fourth proportional to 31,219.78, 46,772.96 and 18,044.32 is: 27,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,219.78 : 46,772.96 = 18,044.32 : x
  2. Step 2: Convert to fraction form
    31,219.78/46,772.96 = 18,044.32/x
  3. Step 3: Cross multiply
    31,219.78x = 46,772.96 × 18,044.32
  4. Step 4: Simplify right side
    31,219.78x = 843,986,257.59
  5. Step 5: Solve for x
    x = 843,986,257.59/31,219.78
  6. Step 6: Final answer
    x = 27,033.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.