Home / 20,324.55-30,486.63-5,533.23

Finding the Fourth Proportional to 20,324.55, 30,486.63 and 5,533.23

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Solution

The fourth proportional to 20,324.55, 30,486.63 and 5,533.23 is: 8,299.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.55 : 30,486.63 = 5,533.23 : x
  2. Step 2: Convert to fraction form
    20,324.55/30,486.63 = 5,533.23/x
  3. Step 3: Cross multiply
    20,324.55x = 30,486.63 × 5,533.23
  4. Step 4: Simplify right side
    20,324.55x = 168,689,535.71
  5. Step 5: Solve for x
    x = 168,689,535.71/20,324.55
  6. Step 6: Final answer
    x = 8,299.79

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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.