Home / 51,984.93-71,739.21-28,111.61

Finding the Fourth Proportional to 51,984.93, 71,739.21 and 28,111.61

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Solution

The fourth proportional to 51,984.93, 71,739.21 and 28,111.61 is: 38,794.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,984.93 : 71,739.21 = 28,111.61 : x
  2. Step 2: Convert to fraction form
    51,984.93/71,739.21 = 28,111.61/x
  3. Step 3: Cross multiply
    51,984.93x = 71,739.21 × 28,111.61
  4. Step 4: Simplify right side
    51,984.93x = 2,016,704,977.99
  5. Step 5: Solve for x
    x = 2,016,704,977.99/51,984.93
  6. Step 6: Final answer
    x = 38,794.03

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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.