Home / 51,986.01-77,979.02-20,410.96

Finding the Fourth Proportional to 51,986.01, 77,979.02 and 20,410.96

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Solution

The fourth proportional to 51,986.01, 77,979.02 and 20,410.96 is: 30,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,986.01 : 77,979.02 = 20,410.96 : x
  2. Step 2: Convert to fraction form
    51,986.01/77,979.02 = 20,410.96/x
  3. Step 3: Cross multiply
    51,986.01x = 77,979.02 × 20,410.96
  4. Step 4: Simplify right side
    51,986.01x = 1,591,626,658.06
  5. Step 5: Solve for x
    x = 1,591,626,658.06/51,986.01
  6. Step 6: Final answer
    x = 30,616.44

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Similar ratio
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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.