Home / 40,190.14-55,456.46-22,285.28

Finding the Fourth Proportional to 40,190.14, 55,456.46 and 22,285.28

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Solution

The fourth proportional to 40,190.14, 55,456.46 and 22,285.28 is: 30,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.14 : 55,456.46 = 22,285.28 : x
  2. Step 2: Convert to fraction form
    40,190.14/55,456.46 = 22,285.28/x
  3. Step 3: Cross multiply
    40,190.14x = 55,456.46 × 22,285.28
  4. Step 4: Simplify right side
    40,190.14x = 1,235,862,738.91
  5. Step 5: Solve for x
    x = 1,235,862,738.91/40,190.14
  6. Step 6: Final answer
    x = 30,750.40

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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.