Home / 54,771.18-82,161.32-15,328.23

Finding the Fourth Proportional to 54,771.18, 82,161.32 and 15,328.23

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Solution

The fourth proportional to 54,771.18, 82,161.32 and 15,328.23 is: 22,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,771.18 : 82,161.32 = 15,328.23 : x
  2. Step 2: Convert to fraction form
    54,771.18/82,161.32 = 15,328.23/x
  3. Step 3: Cross multiply
    54,771.18x = 82,161.32 × 15,328.23
  4. Step 4: Simplify right side
    54,771.18x = 1,259,387,533.42
  5. Step 5: Solve for x
    x = 1,259,387,533.42/54,771.18
  6. Step 6: Final answer
    x = 22,993.62

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1.5x scale

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.