Home / 54,228.95-81,313.24-16,778.39

Finding the Fourth Proportional to 54,228.95, 81,313.24 and 16,778.39

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Solution

The fourth proportional to 54,228.95, 81,313.24 and 16,778.39 is: 25,158.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,228.95 : 81,313.24 = 16,778.39 : x
  2. Step 2: Convert to fraction form
    54,228.95/81,313.24 = 16,778.39/x
  3. Step 3: Cross multiply
    54,228.95x = 81,313.24 × 16,778.39
  4. Step 4: Simplify right side
    54,228.95x = 1,364,305,168.99
  5. Step 5: Solve for x
    x = 1,364,305,168.99/54,228.95
  6. Step 6: Final answer
    x = 25,158.25

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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.