Home / 53,955.55-80,940.71-18,407.33

Finding the Fourth Proportional to 53,955.55, 80,940.71 and 18,407.33

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Solution

The fourth proportional to 53,955.55, 80,940.71 and 18,407.33 is: 27,613.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,955.55 : 80,940.71 = 18,407.33 : x
  2. Step 2: Convert to fraction form
    53,955.55/80,940.71 = 18,407.33/x
  3. Step 3: Cross multiply
    53,955.55x = 80,940.71 × 18,407.33
  4. Step 4: Simplify right side
    53,955.55x = 1,489,901,954.70
  5. Step 5: Solve for x
    x = 1,489,901,954.70/53,955.55
  6. Step 6: Final answer
    x = 27,613.51

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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.