Home / 31,879.91-43,995.33-17,541.38

Finding the Fourth Proportional to 31,879.91, 43,995.33 and 17,541.38

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Solution

The fourth proportional to 31,879.91, 43,995.33 and 17,541.38 is: 24,207.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,879.91 : 43,995.33 = 17,541.38 : x
  2. Step 2: Convert to fraction form
    31,879.91/43,995.33 = 17,541.38/x
  3. Step 3: Cross multiply
    31,879.91x = 43,995.33 × 17,541.38
  4. Step 4: Simplify right side
    31,879.91x = 771,738,911.74
  5. Step 5: Solve for x
    x = 771,738,911.74/31,879.91
  6. Step 6: Final answer
    x = 24,207.69

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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.