Home / 40,664.20-56,112.06-22,756.72

Finding the Fourth Proportional to 40,664.20, 56,112.06 and 22,756.72

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Solution

The fourth proportional to 40,664.20, 56,112.06 and 22,756.72 is: 31,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,664.20 : 56,112.06 = 22,756.72 : x
  2. Step 2: Convert to fraction form
    40,664.20/56,112.06 = 22,756.72/x
  3. Step 3: Cross multiply
    40,664.20x = 56,112.06 × 22,756.72
  4. Step 4: Simplify right side
    40,664.20x = 1,276,926,438.04
  5. Step 5: Solve for x
    x = 1,276,926,438.04/40,664.20
  6. Step 6: Final answer
    x = 31,401.74

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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.