Home / 47,986.82-71,980.20-16,822.10

Finding the Fourth Proportional to 47,986.82, 71,980.20 and 16,822.10

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Solution

The fourth proportional to 47,986.82, 71,980.20 and 16,822.10 is: 25,233.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,986.82 : 71,980.20 = 16,822.10 : x
  2. Step 2: Convert to fraction form
    47,986.82/71,980.20 = 16,822.10/x
  3. Step 3: Cross multiply
    47,986.82x = 71,980.20 × 16,822.10
  4. Step 4: Simplify right side
    47,986.82x = 1,210,858,122.42
  5. Step 5: Solve for x
    x = 1,210,858,122.42/47,986.82
  6. Step 6: Final answer
    x = 25,233.14

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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.