Home / 54,436.37-75,119.68-30,238.87

Finding the Fourth Proportional to 54,436.37, 75,119.68 and 30,238.87

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Solution

The fourth proportional to 54,436.37, 75,119.68 and 30,238.87 is: 41,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,436.37 : 75,119.68 = 30,238.87 : x
  2. Step 2: Convert to fraction form
    54,436.37/75,119.68 = 30,238.87/x
  3. Step 3: Cross multiply
    54,436.37x = 75,119.68 × 30,238.87
  4. Step 4: Simplify right side
    54,436.37x = 2,271,534,237.96
  5. Step 5: Solve for x
    x = 2,271,534,237.96/54,436.37
  6. Step 6: Final answer
    x = 41,728.25

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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.