Home / 20,202.65-30,317.81-7,055.03

Finding the Fourth Proportional to 20,202.65, 30,317.81 and 7,055.03

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Solution

The fourth proportional to 20,202.65, 30,317.81 and 7,055.03 is: 10,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.65 : 30,317.81 = 7,055.03 : x
  2. Step 2: Convert to fraction form
    20,202.65/30,317.81 = 7,055.03/x
  3. Step 3: Cross multiply
    20,202.65x = 30,317.81 × 7,055.03
  4. Step 4: Simplify right side
    20,202.65x = 213,892,872.22
  5. Step 5: Solve for x
    x = 213,892,872.22/20,202.65
  6. Step 6: Final answer
    x = 10,587.37

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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.