Home / 40,051.10-55,268.29-22,145.03

Finding the Fourth Proportional to 40,051.10, 55,268.29 and 22,145.03

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Solution

The fourth proportional to 40,051.10, 55,268.29 and 22,145.03 is: 30,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,051.10 : 55,268.29 = 22,145.03 : x
  2. Step 2: Convert to fraction form
    40,051.10/55,268.29 = 22,145.03/x
  3. Step 3: Cross multiply
    40,051.10x = 55,268.29 × 22,145.03
  4. Step 4: Simplify right side
    40,051.10x = 1,223,917,940.10
  5. Step 5: Solve for x
    x = 1,223,917,940.10/40,051.10
  6. Step 6: Final answer
    x = 30,558.91

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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.