Home / 43,019.91-64,445.85-28,183.77

Finding the Fourth Proportional to 43,019.91, 64,445.85 and 28,183.77

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Solution

The fourth proportional to 43,019.91, 64,445.85 and 28,183.77 is: 42,220.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,019.91 : 64,445.85 = 28,183.77 : x
  2. Step 2: Convert to fraction form
    43,019.91/64,445.85 = 28,183.77/x
  3. Step 3: Cross multiply
    43,019.91x = 64,445.85 × 28,183.77
  4. Step 4: Simplify right side
    43,019.91x = 1,816,327,013.85
  5. Step 5: Solve for x
    x = 1,816,327,013.85/43,019.91
  6. Step 6: Final answer
    x = 42,220.61

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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.