Home / 53,560.42-80,344.62-18,021.82

Finding the Fourth Proportional to 53,560.42, 80,344.62 and 18,021.82

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Solution

The fourth proportional to 53,560.42, 80,344.62 and 18,021.82 is: 27,034.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,560.42 : 80,344.62 = 18,021.82 : x
  2. Step 2: Convert to fraction form
    53,560.42/80,344.62 = 18,021.82/x
  3. Step 3: Cross multiply
    53,560.42x = 80,344.62 × 18,021.82
  4. Step 4: Simplify right side
    53,560.42x = 1,447,956,279.61
  5. Step 5: Solve for x
    x = 1,447,956,279.61/53,560.42
  6. Step 6: Final answer
    x = 27,034.07

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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.