Home / 53,922.60-80,920.35-30,230.10

Finding the Fourth Proportional to 53,922.60, 80,920.35 and 30,230.10

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Solution

The fourth proportional to 53,922.60, 80,920.35 and 30,230.10 is: 45,365.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,922.60 : 80,920.35 = 30,230.10 : x
  2. Step 2: Convert to fraction form
    53,922.60/80,920.35 = 30,230.10/x
  3. Step 3: Cross multiply
    53,922.60x = 80,920.35 × 30,230.10
  4. Step 4: Simplify right side
    53,922.60x = 2,446,230,272.54
  5. Step 5: Solve for x
    x = 2,446,230,272.54/53,922.60
  6. Step 6: Final answer
    x = 45,365.58

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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.