Home / 40,183.86-55,455.01-22,280.53

Finding the Fourth Proportional to 40,183.86, 55,455.01 and 22,280.53

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Solution

The fourth proportional to 40,183.86, 55,455.01 and 22,280.53 is: 30,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,183.86 : 55,455.01 = 22,280.53 : x
  2. Step 2: Convert to fraction form
    40,183.86/55,455.01 = 22,280.53/x
  3. Step 3: Cross multiply
    40,183.86x = 55,455.01 × 22,280.53
  4. Step 4: Simplify right side
    40,183.86x = 1,235,567,013.96
  5. Step 5: Solve for x
    x = 1,235,567,013.96/40,183.86
  6. Step 6: Final answer
    x = 30,747.84

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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.