Home / 53,922.10-80,919.60-30,229.60

Finding the Fourth Proportional to 53,922.10, 80,919.60 and 30,229.60

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Solution

The fourth proportional to 53,922.10, 80,919.60 and 30,229.60 is: 45,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,922.10 : 80,919.60 = 30,229.60 : x
  2. Step 2: Convert to fraction form
    53,922.10/80,919.60 = 30,229.60/x
  3. Step 3: Cross multiply
    53,922.10x = 80,919.60 × 30,229.60
  4. Step 4: Simplify right side
    53,922.10x = 2,446,167,140.16
  5. Step 5: Solve for x
    x = 2,446,167,140.16/53,922.10
  6. Step 6: Final answer
    x = 45,364.83

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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.