Home / 47,889.48-71,816.94-20,189.64

Finding the Fourth Proportional to 47,889.48, 71,816.94 and 20,189.64

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Solution

The fourth proportional to 47,889.48, 71,816.94 and 20,189.64 is: 30,277.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,889.48 : 71,816.94 = 20,189.64 : x
  2. Step 2: Convert to fraction form
    47,889.48/71,816.94 = 20,189.64/x
  3. Step 3: Cross multiply
    47,889.48x = 71,816.94 × 20,189.64
  4. Step 4: Simplify right side
    47,889.48x = 1,449,958,164.50
  5. Step 5: Solve for x
    x = 1,449,958,164.50/47,889.48
  6. Step 6: Final answer
    x = 30,277.17

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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.