Home / 53,584.48-80,377.01-13,603.49

Finding the Fourth Proportional to 53,584.48, 80,377.01 and 13,603.49

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Solution

The fourth proportional to 53,584.48, 80,377.01 and 13,603.49 is: 20,405.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,584.48 : 80,377.01 = 13,603.49 : x
  2. Step 2: Convert to fraction form
    53,584.48/80,377.01 = 13,603.49/x
  3. Step 3: Cross multiply
    53,584.48x = 80,377.01 × 13,603.49
  4. Step 4: Simplify right side
    53,584.48x = 1,093,407,851.76
  5. Step 5: Solve for x
    x = 1,093,407,851.76/53,584.48
  6. Step 6: Final answer
    x = 20,405.31

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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.