Home / 40,191.95-55,464.66-22,289.60

Finding the Fourth Proportional to 40,191.95, 55,464.66 and 22,289.60

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Solution

The fourth proportional to 40,191.95, 55,464.66 and 22,289.60 is: 30,759.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,191.95 : 55,464.66 = 22,289.60 : x
  2. Step 2: Convert to fraction form
    40,191.95/55,464.66 = 22,289.60/x
  3. Step 3: Cross multiply
    40,191.95x = 55,464.66 × 22,289.60
  4. Step 4: Simplify right side
    40,191.95x = 1,236,285,085.54
  5. Step 5: Solve for x
    x = 1,236,285,085.54/40,191.95
  6. Step 6: Final answer
    x = 30,759.52

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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.