Home / 53,786.44-80,665.95-38,138.45

Finding the Fourth Proportional to 53,786.44, 80,665.95 and 38,138.45

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Solution

The fourth proportional to 53,786.44, 80,665.95 and 38,138.45 is: 57,197.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,786.44 : 80,665.95 = 38,138.45 : x
  2. Step 2: Convert to fraction form
    53,786.44/80,665.95 = 38,138.45/x
  3. Step 3: Cross multiply
    53,786.44x = 80,665.95 × 38,138.45
  4. Step 4: Simplify right side
    53,786.44x = 3,076,474,300.78
  5. Step 5: Solve for x
    x = 3,076,474,300.78/53,786.44
  6. Step 6: Final answer
    x = 57,197.96

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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.