Home / 50,850.06-70,165.69-28,189.03

Finding the Fourth Proportional to 50,850.06, 70,165.69 and 28,189.03

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Solution

The fourth proportional to 50,850.06, 70,165.69 and 28,189.03 is: 38,896.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,850.06 : 70,165.69 = 28,189.03 : x
  2. Step 2: Convert to fraction form
    50,850.06/70,165.69 = 28,189.03/x
  3. Step 3: Cross multiply
    50,850.06x = 70,165.69 × 28,189.03
  4. Step 4: Simplify right side
    50,850.06x = 1,977,902,740.38
  5. Step 5: Solve for x
    x = 1,977,902,740.38/50,850.06
  6. Step 6: Final answer
    x = 38,896.76

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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.