Home / 55,277.53-76,285.03-31,408.25

Finding the Fourth Proportional to 55,277.53, 76,285.03 and 31,408.25

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Solution

The fourth proportional to 55,277.53, 76,285.03 and 31,408.25 is: 43,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,277.53 : 76,285.03 = 31,408.25 : x
  2. Step 2: Convert to fraction form
    55,277.53/76,285.03 = 31,408.25/x
  3. Step 3: Cross multiply
    55,277.53x = 76,285.03 × 31,408.25
  4. Step 4: Simplify right side
    55,277.53x = 2,395,978,833.55
  5. Step 5: Solve for x
    x = 2,395,978,833.55/55,277.53
  6. Step 6: Final answer
    x = 43,344.54

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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.