Home / 53,684.44-80,510.04-18,615.94

Finding the Fourth Proportional to 53,684.44, 80,510.04 and 18,615.94

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Solution

The fourth proportional to 53,684.44, 80,510.04 and 18,615.94 is: 27,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,684.44 : 80,510.04 = 18,615.94 : x
  2. Step 2: Convert to fraction form
    53,684.44/80,510.04 = 18,615.94/x
  3. Step 3: Cross multiply
    53,684.44x = 80,510.04 × 18,615.94
  4. Step 4: Simplify right side
    53,684.44x = 1,498,770,074.04
  5. Step 5: Solve for x
    x = 1,498,770,074.04/53,684.44
  6. Step 6: Final answer
    x = 27,918.15

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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.