Home / 50,850.51-70,172.49-28,189.09

Finding the Fourth Proportional to 50,850.51, 70,172.49 and 28,189.09

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Solution

The fourth proportional to 50,850.51, 70,172.49 and 28,189.09 is: 38,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,850.51 : 70,172.49 = 28,189.09 : x
  2. Step 2: Convert to fraction form
    50,850.51/70,172.49 = 28,189.09/x
  3. Step 3: Cross multiply
    50,850.51x = 70,172.49 × 28,189.09
  4. Step 4: Simplify right side
    50,850.51x = 1,978,098,636.13
  5. Step 5: Solve for x
    x = 1,978,098,636.13/50,850.51
  6. Step 6: Final answer
    x = 38,900.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.