Home / 47,992.28-71,988.86-18,403.08

Finding the Fourth Proportional to 47,992.28, 71,988.86 and 18,403.08

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Solution

The fourth proportional to 47,992.28, 71,988.86 and 18,403.08 is: 27,604.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,992.28 : 71,988.86 = 18,403.08 : x
  2. Step 2: Convert to fraction form
    47,992.28/71,988.86 = 18,403.08/x
  3. Step 3: Cross multiply
    47,992.28x = 71,988.86 × 18,403.08
  4. Step 4: Simplify right side
    47,992.28x = 1,324,816,749.69
  5. Step 5: Solve for x
    x = 1,324,816,749.69/47,992.28
  6. Step 6: Final answer
    x = 27,604.79

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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.