Home / 20,020.68-30,030.84-14,073.03

Finding the Fourth Proportional to 20,020.68, 30,030.84 and 14,073.03

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Solution

The fourth proportional to 20,020.68, 30,030.84 and 14,073.03 is: 21,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020.68 : 30,030.84 = 14,073.03 : x
  2. Step 2: Convert to fraction form
    20,020.68/30,030.84 = 14,073.03/x
  3. Step 3: Cross multiply
    20,020.68x = 30,030.84 × 14,073.03
  4. Step 4: Simplify right side
    20,020.68x = 422,624,912.25
  5. Step 5: Solve for x
    x = 422,624,912.25/20,020.68
  6. Step 6: Final answer
    x = 21,109.42

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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.