Home / 20,323.85-30,486.31-5,533.07

Finding the Fourth Proportional to 20,323.85, 30,486.31 and 5,533.07

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Solution

The fourth proportional to 20,323.85, 30,486.31 and 5,533.07 is: 8,299.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.85 : 30,486.31 = 5,533.07 : x
  2. Step 2: Convert to fraction form
    20,323.85/30,486.31 = 5,533.07/x
  3. Step 3: Cross multiply
    20,323.85x = 30,486.31 × 5,533.07
  4. Step 4: Simplify right side
    20,323.85x = 168,682,721.01
  5. Step 5: Solve for x
    x = 168,682,721.01/20,323.85
  6. Step 6: Final answer
    x = 8,299.74

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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.