Home / 19,948.41-29,932.72-13,289.46

Finding the Fourth Proportional to 19,948.41, 29,932.72 and 13,289.46

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Solution

The fourth proportional to 19,948.41, 29,932.72 and 13,289.46 is: 19,940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.41 : 29,932.72 = 13,289.46 : x
  2. Step 2: Convert to fraction form
    19,948.41/29,932.72 = 13,289.46/x
  3. Step 3: Cross multiply
    19,948.41x = 29,932.72 × 13,289.46
  4. Step 4: Simplify right side
    19,948.41x = 397,789,685.13
  5. Step 5: Solve for x
    x = 397,789,685.13/19,948.41
  6. Step 6: Final answer
    x = 19,940.92

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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.