Home / 31,974.37-47,959.80-9,787.73

Finding the Fourth Proportional to 31,974.37, 47,959.80 and 9,787.73

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Solution

The fourth proportional to 31,974.37, 47,959.80 and 9,787.73 is: 14,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,974.37 : 47,959.80 = 9,787.73 : x
  2. Step 2: Convert to fraction form
    31,974.37/47,959.80 = 9,787.73/x
  3. Step 3: Cross multiply
    31,974.37x = 47,959.80 × 9,787.73
  4. Step 4: Simplify right side
    31,974.37x = 469,417,573.25
  5. Step 5: Solve for x
    x = 469,417,573.25/31,974.37
  6. Step 6: Final answer
    x = 14,681.06

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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.