Home / 20,601.39-30,902.10-5,019.03

Finding the Fourth Proportional to 20,601.39, 30,902.10 and 5,019.03

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Solution

The fourth proportional to 20,601.39, 30,902.10 and 5,019.03 is: 7,528.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601.39 : 30,902.10 = 5,019.03 : x
  2. Step 2: Convert to fraction form
    20,601.39/30,902.10 = 5,019.03/x
  3. Step 3: Cross multiply
    20,601.39x = 30,902.10 × 5,019.03
  4. Step 4: Simplify right side
    20,601.39x = 155,098,566.96
  5. Step 5: Solve for x
    x = 155,098,566.96/20,601.39
  6. Step 6: Final answer
    x = 7,528.55

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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.