Home / 30,866.85-46,330.70-21,992.04

Finding the Fourth Proportional to 30,866.85, 46,330.70 and 21,992.04

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Solution

The fourth proportional to 30,866.85, 46,330.70 and 21,992.04 is: 33,009.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,866.85 : 46,330.70 = 21,992.04 : x
  2. Step 2: Convert to fraction form
    30,866.85/46,330.70 = 21,992.04/x
  3. Step 3: Cross multiply
    30,866.85x = 46,330.70 × 21,992.04
  4. Step 4: Simplify right side
    30,866.85x = 1,018,906,497.67
  5. Step 5: Solve for x
    x = 1,018,906,497.67/30,866.85
  6. Step 6: Final answer
    x = 33,009.73

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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.