Home / 45,555.87-62,847.72-28,548.54

Finding the Fourth Proportional to 45,555.87, 62,847.72 and 28,548.54

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Solution

The fourth proportional to 45,555.87, 62,847.72 and 28,548.54 is: 39,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,555.87 : 62,847.72 = 28,548.54 : x
  2. Step 2: Convert to fraction form
    45,555.87/62,847.72 = 28,548.54/x
  3. Step 3: Cross multiply
    45,555.87x = 62,847.72 × 28,548.54
  4. Step 4: Simplify right side
    45,555.87x = 1,794,210,648.33
  5. Step 5: Solve for x
    x = 1,794,210,648.33/45,555.87
  6. Step 6: Final answer
    x = 39,384.84

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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.