Home / 53,040.72-73,166.24-31,815.44

Finding the Fourth Proportional to 53,040.72, 73,166.24 and 31,815.44

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Solution

The fourth proportional to 53,040.72, 73,166.24 and 31,815.44 is: 43,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,040.72 : 73,166.24 = 31,815.44 : x
  2. Step 2: Convert to fraction form
    53,040.72/73,166.24 = 31,815.44/x
  3. Step 3: Cross multiply
    53,040.72x = 73,166.24 × 31,815.44
  4. Step 4: Simplify right side
    53,040.72x = 2,327,816,118.75
  5. Step 5: Solve for x
    x = 2,327,816,118.75/53,040.72
  6. Step 6: Final answer
    x = 43,887.34

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1.5x scale

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.