Home / 31,844.60-47,696.70-19,959.68

Finding the Fourth Proportional to 31,844.60, 47,696.70 and 19,959.68

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Solution

The fourth proportional to 31,844.60, 47,696.70 and 19,959.68 is: 29,895.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,844.60 : 47,696.70 = 19,959.68 : x
  2. Step 2: Convert to fraction form
    31,844.60/47,696.70 = 19,959.68/x
  3. Step 3: Cross multiply
    31,844.60x = 47,696.70 × 19,959.68
  4. Step 4: Simplify right side
    31,844.60x = 952,010,869.06
  5. Step 5: Solve for x
    x = 952,010,869.06/31,844.60
  6. Step 6: Final answer
    x = 29,895.52

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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.