Home / 54,158.06-74,745.08-30,286.07

Finding the Fourth Proportional to 54,158.06, 74,745.08 and 30,286.07

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Solution

The fourth proportional to 54,158.06, 74,745.08 and 30,286.07 is: 41,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,158.06 : 74,745.08 = 30,286.07 : x
  2. Step 2: Convert to fraction form
    54,158.06/74,745.08 = 30,286.07/x
  3. Step 3: Cross multiply
    54,158.06x = 74,745.08 × 30,286.07
  4. Step 4: Simplify right side
    54,158.06x = 2,263,734,725.04
  5. Step 5: Solve for x
    x = 2,263,734,725.04/54,158.06
  6. Step 6: Final answer
    x = 41,798.67

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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.