Home / 35,198.91-48,574.49-21,051.75

Finding the Fourth Proportional to 35,198.91, 48,574.49 and 21,051.75

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Solution

The fourth proportional to 35,198.91, 48,574.49 and 21,051.75 is: 29,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,198.91 : 48,574.49 = 21,051.75 : x
  2. Step 2: Convert to fraction form
    35,198.91/48,574.49 = 21,051.75/x
  3. Step 3: Cross multiply
    35,198.91x = 48,574.49 × 21,051.75
  4. Step 4: Simplify right side
    35,198.91x = 1,022,578,019.86
  5. Step 5: Solve for x
    x = 1,022,578,019.86/35,198.91
  6. Step 6: Final answer
    x = 29,051.41

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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.