Home / 54,019.05-74,537.37-30,145.67

Finding the Fourth Proportional to 54,019.05, 74,537.37 and 30,145.67

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Solution

The fourth proportional to 54,019.05, 74,537.37 and 30,145.67 is: 41,596.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,019.05 : 74,537.37 = 30,145.67 : x
  2. Step 2: Convert to fraction form
    54,019.05/74,537.37 = 30,145.67/x
  3. Step 3: Cross multiply
    54,019.05x = 74,537.37 × 30,145.67
  4. Step 4: Simplify right side
    54,019.05x = 2,246,978,586.00
  5. Step 5: Solve for x
    x = 2,246,978,586.00/54,019.05
  6. Step 6: Final answer
    x = 41,596.04

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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.