Home / 53,480.94-80,220.33-18,419.82

Finding the Fourth Proportional to 53,480.94, 80,220.33 and 18,419.82

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Solution

The fourth proportional to 53,480.94, 80,220.33 and 18,419.82 is: 27,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,480.94 : 80,220.33 = 18,419.82 : x
  2. Step 2: Convert to fraction form
    53,480.94/80,220.33 = 18,419.82/x
  3. Step 3: Cross multiply
    53,480.94x = 80,220.33 × 18,419.82
  4. Step 4: Simplify right side
    53,480.94x = 1,477,644,038.94
  5. Step 5: Solve for x
    x = 1,477,644,038.94/53,480.94
  6. Step 6: Final answer
    x = 27,629.36

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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.