Home / 31,937.70-44,079.18-18,516.72

Finding the Fourth Proportional to 31,937.70, 44,079.18 and 18,516.72

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Solution

The fourth proportional to 31,937.70, 44,079.18 and 18,516.72 is: 25,556.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,937.70 : 44,079.18 = 18,516.72 : x
  2. Step 2: Convert to fraction form
    31,937.70/44,079.18 = 18,516.72/x
  3. Step 3: Cross multiply
    31,937.70x = 44,079.18 × 18,516.72
  4. Step 4: Simplify right side
    31,937.70x = 816,201,833.89
  5. Step 5: Solve for x
    x = 816,201,833.89/31,937.70
  6. Step 6: Final answer
    x = 25,556.06

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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.