Home / 20,316.66-30,474.82-5,525.49

Finding the Fourth Proportional to 20,316.66, 30,474.82 and 5,525.49

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Solution

The fourth proportional to 20,316.66, 30,474.82 and 5,525.49 is: 8,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316.66 : 30,474.82 = 5,525.49 : x
  2. Step 2: Convert to fraction form
    20,316.66/30,474.82 = 5,525.49/x
  3. Step 3: Cross multiply
    20,316.66x = 30,474.82 × 5,525.49
  4. Step 4: Simplify right side
    20,316.66x = 168,388,313.16
  5. Step 5: Solve for x
    x = 168,388,313.16/20,316.66
  6. Step 6: Final answer
    x = 8,288.19

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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.