Home / 35,771.78-53,645.52-12,392.76

Finding the Fourth Proportional to 35,771.78, 53,645.52 and 12,392.76

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Solution

The fourth proportional to 35,771.78, 53,645.52 and 12,392.76 is: 18,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,771.78 : 53,645.52 = 12,392.76 : x
  2. Step 2: Convert to fraction form
    35,771.78/53,645.52 = 12,392.76/x
  3. Step 3: Cross multiply
    35,771.78x = 53,645.52 × 12,392.76
  4. Step 4: Simplify right side
    35,771.78x = 664,816,054.44
  5. Step 5: Solve for x
    x = 664,816,054.44/35,771.78
  6. Step 6: Final answer
    x = 18,584.93

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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.