Home / 53,388.38-80,083.35-13,945.50

Finding the Fourth Proportional to 53,388.38, 80,083.35 and 13,945.50

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Solution

The fourth proportional to 53,388.38, 80,083.35 and 13,945.50 is: 20,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,388.38 : 80,083.35 = 13,945.50 : x
  2. Step 2: Convert to fraction form
    53,388.38/80,083.35 = 13,945.50/x
  3. Step 3: Cross multiply
    53,388.38x = 80,083.35 × 13,945.50
  4. Step 4: Simplify right side
    53,388.38x = 1,116,802,357.43
  5. Step 5: Solve for x
    x = 1,116,802,357.43/53,388.38
  6. Step 6: Final answer
    x = 20,918.45

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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.