Home / 31,996.58-47,974.31-13,289.52

Finding the Fourth Proportional to 31,996.58, 47,974.31 and 13,289.52

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Solution

The fourth proportional to 31,996.58, 47,974.31 and 13,289.52 is: 19,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,996.58 : 47,974.31 = 13,289.52 : x
  2. Step 2: Convert to fraction form
    31,996.58/47,974.31 = 13,289.52/x
  3. Step 3: Cross multiply
    31,996.58x = 47,974.31 × 13,289.52
  4. Step 4: Simplify right side
    31,996.58x = 637,555,552.23
  5. Step 5: Solve for x
    x = 637,555,552.23/31,996.58
  6. Step 6: Final answer
    x = 19,925.74

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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.