Home / 31,696.20-47,466.54-21,276.36

Finding the Fourth Proportional to 31,696.20, 47,466.54 and 21,276.36

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Solution

The fourth proportional to 31,696.20, 47,466.54 and 21,276.36 is: 31,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,696.20 : 47,466.54 = 21,276.36 : x
  2. Step 2: Convert to fraction form
    31,696.20/47,466.54 = 21,276.36/x
  3. Step 3: Cross multiply
    31,696.20x = 47,466.54 × 21,276.36
  4. Step 4: Simplify right side
    31,696.20x = 1,009,915,192.99
  5. Step 5: Solve for x
    x = 1,009,915,192.99/31,696.20
  6. Step 6: Final answer
    x = 31,862.34

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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.