Home / 30,182.05-45,273.92-7,995.43

Finding the Fourth Proportional to 30,182.05, 45,273.92 and 7,995.43

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Solution

The fourth proportional to 30,182.05, 45,273.92 and 7,995.43 is: 11,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,182.05 : 45,273.92 = 7,995.43 : x
  2. Step 2: Convert to fraction form
    30,182.05/45,273.92 = 7,995.43/x
  3. Step 3: Cross multiply
    30,182.05x = 45,273.92 × 7,995.43
  4. Step 4: Simplify right side
    30,182.05x = 361,984,364.99
  5. Step 5: Solve for x
    x = 361,984,364.99/30,182.05
  6. Step 6: Final answer
    x = 11,993.37

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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.