Home / 30,667.38-46,018.80-12,896.64

Finding the Fourth Proportional to 30,667.38, 46,018.80 and 12,896.64

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Solution

The fourth proportional to 30,667.38, 46,018.80 and 12,896.64 is: 19,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,667.38 : 46,018.80 = 12,896.64 : x
  2. Step 2: Convert to fraction form
    30,667.38/46,018.80 = 12,896.64/x
  3. Step 3: Cross multiply
    30,667.38x = 46,018.80 × 12,896.64
  4. Step 4: Simplify right side
    30,667.38x = 593,487,896.83
  5. Step 5: Solve for x
    x = 593,487,896.83/30,667.38
  6. Step 6: Final answer
    x = 19,352.42

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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.