Home / 20,300.92-30,453.26-5,509.96

Finding the Fourth Proportional to 20,300.92, 30,453.26 and 5,509.96

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Solution

The fourth proportional to 20,300.92, 30,453.26 and 5,509.96 is: 8,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,300.92 : 30,453.26 = 5,509.96 : x
  2. Step 2: Convert to fraction form
    20,300.92/30,453.26 = 5,509.96/x
  3. Step 3: Cross multiply
    20,300.92x = 30,453.26 × 5,509.96
  4. Step 4: Simplify right side
    20,300.92x = 167,796,244.47
  5. Step 5: Solve for x
    x = 167,796,244.47/20,300.92
  6. Step 6: Final answer
    x = 8,265.45

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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.