Home / 32,968.11-49,409.49-21,117.31

Finding the Fourth Proportional to 32,968.11, 49,409.49 and 21,117.31

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Solution

The fourth proportional to 32,968.11, 49,409.49 and 21,117.31 is: 31,648.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,968.11 : 49,409.49 = 21,117.31 : x
  2. Step 2: Convert to fraction form
    32,968.11/49,409.49 = 21,117.31/x
  3. Step 3: Cross multiply
    32,968.11x = 49,409.49 × 21,117.31
  4. Step 4: Simplify right side
    32,968.11x = 1,043,395,472.94
  5. Step 5: Solve for x
    x = 1,043,395,472.94/32,968.11
  6. Step 6: Final answer
    x = 31,648.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.