Home / 20,321.49-30,494.93-14,623.04

Finding the Fourth Proportional to 20,321.49, 30,494.93 and 14,623.04

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Solution

The fourth proportional to 20,321.49, 30,494.93 and 14,623.04 is: 21,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,321.49 : 30,494.93 = 14,623.04 : x
  2. Step 2: Convert to fraction form
    20,321.49/30,494.93 = 14,623.04/x
  3. Step 3: Cross multiply
    20,321.49x = 30,494.93 × 14,623.04
  4. Step 4: Simplify right side
    20,321.49x = 445,928,355.60
  5. Step 5: Solve for x
    x = 445,928,355.60/20,321.49
  6. Step 6: Final answer
    x = 21,943.68

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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.