Home / 40,574.13-55,991.27-22,669.28

Finding the Fourth Proportional to 40,574.13, 55,991.27 and 22,669.28

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Solution

The fourth proportional to 40,574.13, 55,991.27 and 22,669.28 is: 31,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,574.13 : 55,991.27 = 22,669.28 : x
  2. Step 2: Convert to fraction form
    40,574.13/55,991.27 = 22,669.28/x
  3. Step 3: Cross multiply
    40,574.13x = 55,991.27 × 22,669.28
  4. Step 4: Simplify right side
    40,574.13x = 1,269,281,383.88
  5. Step 5: Solve for x
    x = 1,269,281,383.88/40,574.13
  6. Step 6: Final answer
    x = 31,283.02

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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.