Home / 44,490.78-66,736.20-13,326

Finding the Fourth Proportional to 44,490.78, 66,736.20 and 13,326

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Solution

The fourth proportional to 44,490.78, 66,736.20 and 13,326 is: 19,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,490.78 : 66,736.20 = 13,326 : x
  2. Step 2: Convert to fraction form
    44,490.78/66,736.20 = 13,326/x
  3. Step 3: Cross multiply
    44,490.78x = 66,736.20 × 13,326
  4. Step 4: Simplify right side
    44,490.78x = 889,326,601.20
  5. Step 5: Solve for x
    x = 889,326,601.20/44,490.78
  6. Step 6: Final answer
    x = 19,989.01

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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.