Home / 31,026.26-46,608.57-19,188.78

Finding the Fourth Proportional to 31,026.26, 46,608.57 and 19,188.78

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Solution

The fourth proportional to 31,026.26, 46,608.57 and 19,188.78 is: 28,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,026.26 : 46,608.57 = 19,188.78 : x
  2. Step 2: Convert to fraction form
    31,026.26/46,608.57 = 19,188.78/x
  3. Step 3: Cross multiply
    31,026.26x = 46,608.57 × 19,188.78
  4. Step 4: Simplify right side
    31,026.26x = 894,361,595.84
  5. Step 5: Solve for x
    x = 894,361,595.84/31,026.26
  6. Step 6: Final answer
    x = 28,825.96

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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.