Home / 36,948.78-55,408.86-11,982.83

Finding the Fourth Proportional to 36,948.78, 55,408.86 and 11,982.83

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Solution

The fourth proportional to 36,948.78, 55,408.86 and 11,982.83 is: 17,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,948.78 : 55,408.86 = 11,982.83 : x
  2. Step 2: Convert to fraction form
    36,948.78/55,408.86 = 11,982.83/x
  3. Step 3: Cross multiply
    36,948.78x = 55,408.86 × 11,982.83
  4. Step 4: Simplify right side
    36,948.78x = 663,954,672.83
  5. Step 5: Solve for x
    x = 663,954,672.83/36,948.78
  6. Step 6: Final answer
    x = 17,969.60

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1.5x scale

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.