Home / 34,821.36-47,944.22-30,728.94

Finding the Fourth Proportional to 34,821.36, 47,944.22 and 30,728.94

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Solution

The fourth proportional to 34,821.36, 47,944.22 and 30,728.94 is: 42,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,821.36 : 47,944.22 = 30,728.94 : x
  2. Step 2: Convert to fraction form
    34,821.36/47,944.22 = 30,728.94/x
  3. Step 3: Cross multiply
    34,821.36x = 47,944.22 × 30,728.94
  4. Step 4: Simplify right side
    34,821.36x = 1,473,275,059.73
  5. Step 5: Solve for x
    x = 1,473,275,059.73/34,821.36
  6. Step 6: Final answer
    x = 42,309.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.