Home / 31,696.64-47,499.60-17,816.48

Finding the Fourth Proportional to 31,696.64, 47,499.60 and 17,816.48

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Solution

The fourth proportional to 31,696.64, 47,499.60 and 17,816.48 is: 26,699.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,696.64 : 47,499.60 = 17,816.48 : x
  2. Step 2: Convert to fraction form
    31,696.64/47,499.60 = 17,816.48/x
  3. Step 3: Cross multiply
    31,696.64x = 47,499.60 × 17,816.48
  4. Step 4: Simplify right side
    31,696.64x = 846,275,673.41
  5. Step 5: Solve for x
    x = 846,275,673.41/31,696.64
  6. Step 6: Final answer
    x = 26,699.22

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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.