Home / 53,586.48-80,380.01-13,605.49

Finding the Fourth Proportional to 53,586.48, 80,380.01 and 13,605.49

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Solution

The fourth proportional to 53,586.48, 80,380.01 and 13,605.49 is: 20,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,586.48 : 80,380.01 = 13,605.49 : x
  2. Step 2: Convert to fraction form
    53,586.48/80,380.01 = 13,605.49/x
  3. Step 3: Cross multiply
    53,586.48x = 80,380.01 × 13,605.49
  4. Step 4: Simplify right side
    53,586.48x = 1,093,609,422.25
  5. Step 5: Solve for x
    x = 1,093,609,422.25/53,586.48
  6. Step 6: Final answer
    x = 20,408.31

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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.