Home / 36,168.86-49,911.64-20,252.51

Finding the Fourth Proportional to 36,168.86, 49,911.64 and 20,252.51

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Solution

The fourth proportional to 36,168.86, 49,911.64 and 20,252.51 is: 27,947.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,168.86 : 49,911.64 = 20,252.51 : x
  2. Step 2: Convert to fraction form
    36,168.86/49,911.64 = 20,252.51/x
  3. Step 3: Cross multiply
    36,168.86x = 49,911.64 × 20,252.51
  4. Step 4: Simplify right side
    36,168.86x = 1,010,835,789.29
  5. Step 5: Solve for x
    x = 1,010,835,789.29/36,168.86
  6. Step 6: Final answer
    x = 27,947.69

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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.