Home / 30,974.09-46,346.32-18,500.90

Finding the Fourth Proportional to 30,974.09, 46,346.32 and 18,500.90

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Solution

The fourth proportional to 30,974.09, 46,346.32 and 18,500.90 is: 27,682.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,974.09 : 46,346.32 = 18,500.90 : x
  2. Step 2: Convert to fraction form
    30,974.09/46,346.32 = 18,500.90/x
  3. Step 3: Cross multiply
    30,974.09x = 46,346.32 × 18,500.90
  4. Step 4: Simplify right side
    30,974.09x = 857,448,585.44
  5. Step 5: Solve for x
    x = 857,448,585.44/30,974.09
  6. Step 6: Final answer
    x = 27,682.77

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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.