Home / 35,899.76-49,540.56-19,983.86

Finding the Fourth Proportional to 35,899.76, 49,540.56 and 19,983.86

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Solution

The fourth proportional to 35,899.76, 49,540.56 and 19,983.86 is: 27,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,899.76 : 49,540.56 = 19,983.86 : x
  2. Step 2: Convert to fraction form
    35,899.76/49,540.56 = 19,983.86/x
  3. Step 3: Cross multiply
    35,899.76x = 49,540.56 × 19,983.86
  4. Step 4: Simplify right side
    35,899.76x = 990,011,615.36
  5. Step 5: Solve for x
    x = 990,011,615.36/35,899.76
  6. Step 6: Final answer
    x = 27,577.11

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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.