Home / 30,906.32-46,305.72-19,227.92

Finding the Fourth Proportional to 30,906.32, 46,305.72 and 19,227.92

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Solution

The fourth proportional to 30,906.32, 46,305.72 and 19,227.92 is: 28,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906.32 : 46,305.72 = 19,227.92 : x
  2. Step 2: Convert to fraction form
    30,906.32/46,305.72 = 19,227.92/x
  3. Step 3: Cross multiply
    30,906.32x = 46,305.72 × 19,227.92
  4. Step 4: Simplify right side
    30,906.32x = 890,362,679.70
  5. Step 5: Solve for x
    x = 890,362,679.70/30,906.32
  6. Step 6: Final answer
    x = 28,808.43

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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.