Home / 40,569.20-55,985.36-22,664.28

Finding the Fourth Proportional to 40,569.20, 55,985.36 and 22,664.28

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Solution

The fourth proportional to 40,569.20, 55,985.36 and 22,664.28 is: 31,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,569.20 : 55,985.36 = 22,664.28 : x
  2. Step 2: Convert to fraction form
    40,569.20/55,985.36 = 22,664.28/x
  3. Step 3: Cross multiply
    40,569.20x = 55,985.36 × 22,664.28
  4. Step 4: Simplify right side
    40,569.20x = 1,268,867,874.94
  5. Step 5: Solve for x
    x = 1,268,867,874.94/40,569.20
  6. Step 6: Final answer
    x = 31,276.63

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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.