Home / 53,561.28-80,318.88-18,504.48

Finding the Fourth Proportional to 53,561.28, 80,318.88 and 18,504.48

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Solution

The fourth proportional to 53,561.28, 80,318.88 and 18,504.48 is: 27,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,561.28 : 80,318.88 = 18,504.48 : x
  2. Step 2: Convert to fraction form
    53,561.28/80,318.88 = 18,504.48/x
  3. Step 3: Cross multiply
    53,561.28x = 80,318.88 × 18,504.48
  4. Step 4: Simplify right side
    53,561.28x = 1,486,259,108.58
  5. Step 5: Solve for x
    x = 1,486,259,108.58/53,561.28
  6. Step 6: Final answer
    x = 27,748.76

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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.