Home / 53,513.48-80,270.19-18,450.38

Finding the Fourth Proportional to 53,513.48, 80,270.19 and 18,450.38

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Solution

The fourth proportional to 53,513.48, 80,270.19 and 18,450.38 is: 27,675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,513.48 : 80,270.19 = 18,450.38 : x
  2. Step 2: Convert to fraction form
    53,513.48/80,270.19 = 18,450.38/x
  3. Step 3: Cross multiply
    53,513.48x = 80,270.19 × 18,450.38
  4. Step 4: Simplify right side
    53,513.48x = 1,481,015,508.17
  5. Step 5: Solve for x
    x = 1,481,015,508.17/53,513.48
  6. Step 6: Final answer
    x = 27,675.56

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1.5x scale

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.