Home / 49,824.47-68,718.89-31,921.16

Finding the Fourth Proportional to 49,824.47, 68,718.89 and 31,921.16

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Solution

The fourth proportional to 49,824.47, 68,718.89 and 31,921.16 is: 44,026.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,824.47 : 68,718.89 = 31,921.16 : x
  2. Step 2: Convert to fraction form
    49,824.47/68,718.89 = 31,921.16/x
  3. Step 3: Cross multiply
    49,824.47x = 68,718.89 × 31,921.16
  4. Step 4: Simplify right side
    49,824.47x = 2,193,586,418.92
  5. Step 5: Solve for x
    x = 2,193,586,418.92/49,824.47
  6. Step 6: Final answer
    x = 44,026.28

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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.