Home / 53,404.36-80,111.94-18,339.28

Finding the Fourth Proportional to 53,404.36, 80,111.94 and 18,339.28

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Solution

The fourth proportional to 53,404.36, 80,111.94 and 18,339.28 is: 27,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,404.36 : 80,111.94 = 18,339.28 : x
  2. Step 2: Convert to fraction form
    53,404.36/80,111.94 = 18,339.28/x
  3. Step 3: Cross multiply
    53,404.36x = 80,111.94 × 18,339.28
  4. Step 4: Simplify right side
    53,404.36x = 1,469,195,299.00
  5. Step 5: Solve for x
    x = 1,469,195,299.00/53,404.36
  6. Step 6: Final answer
    x = 27,510.77

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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.