Home / 31,941.15-44,079.44-18,516.75

Finding the Fourth Proportional to 31,941.15, 44,079.44 and 18,516.75

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Solution

The fourth proportional to 31,941.15, 44,079.44 and 18,516.75 is: 25,553.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,941.15 : 44,079.44 = 18,516.75 : x
  2. Step 2: Convert to fraction form
    31,941.15/44,079.44 = 18,516.75/x
  3. Step 3: Cross multiply
    31,941.15x = 44,079.44 × 18,516.75
  4. Step 4: Simplify right side
    31,941.15x = 816,207,878.04
  5. Step 5: Solve for x
    x = 816,207,878.04/31,941.15
  6. Step 6: Final answer
    x = 25,553.49

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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.