Home / 37,513.86-51,767.19-20,514.79

Finding the Fourth Proportional to 37,513.86, 51,767.19 and 20,514.79

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Solution

The fourth proportional to 37,513.86, 51,767.19 and 20,514.79 is: 28,309.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,513.86 : 51,767.19 = 20,514.79 : x
  2. Step 2: Convert to fraction form
    37,513.86/51,767.19 = 20,514.79/x
  3. Step 3: Cross multiply
    37,513.86x = 51,767.19 × 20,514.79
  4. Step 4: Simplify right side
    37,513.86x = 1,061,993,109.87
  5. Step 5: Solve for x
    x = 1,061,993,109.87/37,513.86
  6. Step 6: Final answer
    x = 28,309.36

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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.