Home / 53,371.86-80,059.40-18,311

Finding the Fourth Proportional to 53,371.86, 80,059.40 and 18,311

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Solution

The fourth proportional to 53,371.86, 80,059.40 and 18,311 is: 27,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,371.86 : 80,059.40 = 18,311 : x
  2. Step 2: Convert to fraction form
    53,371.86/80,059.40 = 18,311/x
  3. Step 3: Cross multiply
    53,371.86x = 80,059.40 × 18,311
  4. Step 4: Simplify right side
    53,371.86x = 1,465,967,673.40
  5. Step 5: Solve for x
    x = 1,465,967,673.40/53,371.86
  6. Step 6: Final answer
    x = 27,467.05

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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.