Home / 53,084.43-79,629.48-13,641.84

Finding the Fourth Proportional to 53,084.43, 79,629.48 and 13,641.84

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Solution

The fourth proportional to 53,084.43, 79,629.48 and 13,641.84 is: 20,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,084.43 : 79,629.48 = 13,641.84 : x
  2. Step 2: Convert to fraction form
    53,084.43/79,629.48 = 13,641.84/x
  3. Step 3: Cross multiply
    53,084.43x = 79,629.48 × 13,641.84
  4. Step 4: Simplify right side
    53,084.43x = 1,086,292,625.44
  5. Step 5: Solve for x
    x = 1,086,292,625.44/53,084.43
  6. Step 6: Final answer
    x = 20,463.49

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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.