Home / 31,126.80-46,690.20-27,433.20

Finding the Fourth Proportional to 31,126.80, 46,690.20 and 27,433.20

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Solution

The fourth proportional to 31,126.80, 46,690.20 and 27,433.20 is: 41,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,126.80 : 46,690.20 = 27,433.20 : x
  2. Step 2: Convert to fraction form
    31,126.80/46,690.20 = 27,433.20/x
  3. Step 3: Cross multiply
    31,126.80x = 46,690.20 × 27,433.20
  4. Step 4: Simplify right side
    31,126.80x = 1,280,861,594.64
  5. Step 5: Solve for x
    x = 1,280,861,594.64/31,126.80
  6. Step 6: Final answer
    x = 41,149.80

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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.