Home / 53,913.88-80,885.46-30,556.72

Finding the Fourth Proportional to 53,913.88, 80,885.46 and 30,556.72

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Solution

The fourth proportional to 53,913.88, 80,885.46 and 30,556.72 is: 45,843.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,913.88 : 80,885.46 = 30,556.72 : x
  2. Step 2: Convert to fraction form
    53,913.88/80,885.46 = 30,556.72/x
  3. Step 3: Cross multiply
    53,913.88x = 80,885.46 × 30,556.72
  4. Step 4: Simplify right side
    53,913.88x = 2,471,594,353.29
  5. Step 5: Solve for x
    x = 2,471,594,353.29/53,913.88
  6. Step 6: Final answer
    x = 45,843.38

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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.