Home / 30,974.48-46,464.24-18,579.12

Finding the Fourth Proportional to 30,974.48, 46,464.24 and 18,579.12

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Solution

The fourth proportional to 30,974.48, 46,464.24 and 18,579.12 is: 27,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,974.48 : 46,464.24 = 18,579.12 : x
  2. Step 2: Convert to fraction form
    30,974.48/46,464.24 = 18,579.12/x
  3. Step 3: Cross multiply
    30,974.48x = 46,464.24 × 18,579.12
  4. Step 4: Simplify right side
    30,974.48x = 863,264,690.67
  5. Step 5: Solve for x
    x = 863,264,690.67/30,974.48
  6. Step 6: Final answer
    x = 27,870.19

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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.