Home / 54,124.37-74,690.25-30,251.21

Finding the Fourth Proportional to 54,124.37, 74,690.25 and 30,251.21

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Solution

The fourth proportional to 54,124.37, 74,690.25 and 30,251.21 is: 41,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,124.37 : 74,690.25 = 30,251.21 : x
  2. Step 2: Convert to fraction form
    54,124.37/74,690.25 = 30,251.21/x
  3. Step 3: Cross multiply
    54,124.37x = 74,690.25 × 30,251.21
  4. Step 4: Simplify right side
    54,124.37x = 2,259,470,064.25
  5. Step 5: Solve for x
    x = 2,259,470,064.25/54,124.37
  6. Step 6: Final answer
    x = 41,745.90

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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.