Home / 40,717.48-56,190.06-22,812.61

Finding the Fourth Proportional to 40,717.48, 56,190.06 and 22,812.61

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Solution

The fourth proportional to 40,717.48, 56,190.06 and 22,812.61 is: 31,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,717.48 : 56,190.06 = 22,812.61 : x
  2. Step 2: Convert to fraction form
    40,717.48/56,190.06 = 22,812.61/x
  3. Step 3: Cross multiply
    40,717.48x = 56,190.06 × 22,812.61
  4. Step 4: Simplify right side
    40,717.48x = 1,281,841,924.66
  5. Step 5: Solve for x
    x = 1,281,841,924.66/40,717.48
  6. Step 6: Final answer
    x = 31,481.37

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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.