Home / 53,043.78-73,199.46-29,170.52

Finding the Fourth Proportional to 53,043.78, 73,199.46 and 29,170.52

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Solution

The fourth proportional to 53,043.78, 73,199.46 and 29,170.52 is: 40,254.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,043.78 : 73,199.46 = 29,170.52 : x
  2. Step 2: Convert to fraction form
    53,043.78/73,199.46 = 29,170.52/x
  3. Step 3: Cross multiply
    53,043.78x = 73,199.46 × 29,170.52
  4. Step 4: Simplify right side
    53,043.78x = 2,135,266,311.92
  5. Step 5: Solve for x
    x = 2,135,266,311.92/53,043.78
  6. Step 6: Final answer
    x = 40,254.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.