Home / 53,342.71-80,018.66-13,899.85

Finding the Fourth Proportional to 53,342.71, 80,018.66 and 13,899.85

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Solution

The fourth proportional to 53,342.71, 80,018.66 and 13,899.85 is: 20,850.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,342.71 : 80,018.66 = 13,899.85 : x
  2. Step 2: Convert to fraction form
    53,342.71/80,018.66 = 13,899.85/x
  3. Step 3: Cross multiply
    53,342.71x = 80,018.66 × 13,899.85
  4. Step 4: Simplify right side
    53,342.71x = 1,112,247,371.20
  5. Step 5: Solve for x
    x = 1,112,247,371.20/53,342.71
  6. Step 6: Final answer
    x = 20,850.97

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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.