Home / 36,228.05-54,339.44-9,930.72

Finding the Fourth Proportional to 36,228.05, 54,339.44 and 9,930.72

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Solution

The fourth proportional to 36,228.05, 54,339.44 and 9,930.72 is: 14,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,228.05 : 54,339.44 = 9,930.72 : x
  2. Step 2: Convert to fraction form
    36,228.05/54,339.44 = 9,930.72/x
  3. Step 3: Cross multiply
    36,228.05x = 54,339.44 × 9,930.72
  4. Step 4: Simplify right side
    36,228.05x = 539,629,763.60
  5. Step 5: Solve for x
    x = 539,629,763.60/36,228.05
  6. Step 6: Final answer
    x = 14,895.36

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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.