Home / 35,903.76-49,546.32-19,987.86

Finding the Fourth Proportional to 35,903.76, 49,546.32 and 19,987.86

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Solution

The fourth proportional to 35,903.76, 49,546.32 and 19,987.86 is: 27,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,903.76 : 49,546.32 = 19,987.86 : x
  2. Step 2: Convert to fraction form
    35,903.76/49,546.32 = 19,987.86/x
  3. Step 3: Cross multiply
    35,903.76x = 49,546.32 × 19,987.86
  4. Step 4: Simplify right side
    35,903.76x = 990,324,907.68
  5. Step 5: Solve for x
    x = 990,324,907.68/35,903.76
  6. Step 6: Final answer
    x = 27,582.76

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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.