Home / 40,570.20-55,981.80-22,664.52

Finding the Fourth Proportional to 40,570.20, 55,981.80 and 22,664.52

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Solution

The fourth proportional to 40,570.20, 55,981.80 and 22,664.52 is: 31,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,570.20 : 55,981.80 = 22,664.52 : x
  2. Step 2: Convert to fraction form
    40,570.20/55,981.80 = 22,664.52/x
  3. Step 3: Cross multiply
    40,570.20x = 55,981.80 × 22,664.52
  4. Step 4: Simplify right side
    40,570.20x = 1,268,800,625.74
  5. Step 5: Solve for x
    x = 1,268,800,625.74/40,570.20
  6. Step 6: Final answer
    x = 31,274.20

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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.