Home / 53,711.46-80,568-18,651.96

Finding the Fourth Proportional to 53,711.46, 80,568 and 18,651.96

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Solution

The fourth proportional to 53,711.46, 80,568 and 18,651.96 is: 27,978.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,711.46 : 80,568 = 18,651.96 : x
  2. Step 2: Convert to fraction form
    53,711.46/80,568 = 18,651.96/x
  3. Step 3: Cross multiply
    53,711.46x = 80,568 × 18,651.96
  4. Step 4: Simplify right side
    53,711.46x = 1,502,751,113.28
  5. Step 5: Solve for x
    x = 1,502,751,113.28/53,711.46
  6. Step 6: Final answer
    x = 27,978.22

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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.