Home / 45,756.56-63,183.46-28,789.08

Finding the Fourth Proportional to 45,756.56, 63,183.46 and 28,789.08

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Solution

The fourth proportional to 45,756.56, 63,183.46 and 28,789.08 is: 39,753.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,756.56 : 63,183.46 = 28,789.08 : x
  2. Step 2: Convert to fraction form
    45,756.56/63,183.46 = 28,789.08/x
  3. Step 3: Cross multiply
    45,756.56x = 63,183.46 × 28,789.08
  4. Step 4: Simplify right side
    45,756.56x = 1,818,993,684.62
  5. Step 5: Solve for x
    x = 1,818,993,684.62/45,756.56
  6. Step 6: Final answer
    x = 39,753.72

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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.