Home / 55,982.72-77,255.48-31,788.24

Finding the Fourth Proportional to 55,982.72, 77,255.48 and 31,788.24

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Solution

The fourth proportional to 55,982.72, 77,255.48 and 31,788.24 is: 43,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,982.72 : 77,255.48 = 31,788.24 : x
  2. Step 2: Convert to fraction form
    55,982.72/77,255.48 = 31,788.24/x
  3. Step 3: Cross multiply
    55,982.72x = 77,255.48 × 31,788.24
  4. Step 4: Simplify right side
    55,982.72x = 2,455,815,739.56
  5. Step 5: Solve for x
    x = 2,455,815,739.56/55,982.72
  6. Step 6: Final answer
    x = 43,867.39

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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.