Home / 35,645.31-49,201.49-20,548.07

Finding the Fourth Proportional to 35,645.31, 49,201.49 and 20,548.07

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Solution

The fourth proportional to 35,645.31, 49,201.49 and 20,548.07 is: 28,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,645.31 : 49,201.49 = 20,548.07 : x
  2. Step 2: Convert to fraction form
    35,645.31/49,201.49 = 20,548.07/x
  3. Step 3: Cross multiply
    35,645.31x = 49,201.49 × 20,548.07
  4. Step 4: Simplify right side
    35,645.31x = 1,010,995,311.88
  5. Step 5: Solve for x
    x = 1,010,995,311.88/35,645.31
  6. Step 6: Final answer
    x = 28,362.65

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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.