Home / 55,277.67-76,285.24-31,408.39

Finding the Fourth Proportional to 55,277.67, 76,285.24 and 31,408.39

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Solution

The fourth proportional to 55,277.67, 76,285.24 and 31,408.39 is: 43,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,277.67 : 76,285.24 = 31,408.39 : x
  2. Step 2: Convert to fraction form
    55,277.67/76,285.24 = 31,408.39/x
  3. Step 3: Cross multiply
    55,277.67x = 76,285.24 × 31,408.39
  4. Step 4: Simplify right side
    55,277.67x = 2,395,996,569.16
  5. Step 5: Solve for x
    x = 2,395,996,569.16/55,277.67
  6. Step 6: Final answer
    x = 43,344.75

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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.