Home / 53,611.37-73,982.26-30,949.59

Finding the Fourth Proportional to 53,611.37, 73,982.26 and 30,949.59

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Solution

The fourth proportional to 53,611.37, 73,982.26 and 30,949.59 is: 42,709.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,611.37 : 73,982.26 = 30,949.59 : x
  2. Step 2: Convert to fraction form
    53,611.37/73,982.26 = 30,949.59/x
  3. Step 3: Cross multiply
    53,611.37x = 73,982.26 × 30,949.59
  4. Step 4: Simplify right side
    53,611.37x = 2,289,720,930.39
  5. Step 5: Solve for x
    x = 2,289,720,930.39/53,611.37
  6. Step 6: Final answer
    x = 42,709.62

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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.