Home / 31,804.48-43,890.28-17,657.36

Finding the Fourth Proportional to 31,804.48, 43,890.28 and 17,657.36

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Solution

The fourth proportional to 31,804.48, 43,890.28 and 17,657.36 is: 24,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,804.48 : 43,890.28 = 17,657.36 : x
  2. Step 2: Convert to fraction form
    31,804.48/43,890.28 = 17,657.36/x
  3. Step 3: Cross multiply
    31,804.48x = 43,890.28 × 17,657.36
  4. Step 4: Simplify right side
    31,804.48x = 774,986,474.46
  5. Step 5: Solve for x
    x = 774,986,474.46/31,804.48
  6. Step 6: Final answer
    x = 24,367.21

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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.