Home / 40,178.37-55,441.02-22,273.21

Finding the Fourth Proportional to 40,178.37, 55,441.02 and 22,273.21

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Solution

The fourth proportional to 40,178.37, 55,441.02 and 22,273.21 is: 30,734.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,178.37 : 55,441.02 = 22,273.21 : x
  2. Step 2: Convert to fraction form
    40,178.37/55,441.02 = 22,273.21/x
  3. Step 3: Cross multiply
    40,178.37x = 55,441.02 × 22,273.21
  4. Step 4: Simplify right side
    40,178.37x = 1,234,849,481.07
  5. Step 5: Solve for x
    x = 1,234,849,481.07/40,178.37
  6. Step 6: Final answer
    x = 30,734.19

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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.