Home / 30,259.34-41,738.49-19,517.93

Finding the Fourth Proportional to 30,259.34, 41,738.49 and 19,517.93

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Solution

The fourth proportional to 30,259.34, 41,738.49 and 19,517.93 is: 26,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.34 : 41,738.49 = 19,517.93 : x
  2. Step 2: Convert to fraction form
    30,259.34/41,738.49 = 19,517.93/x
  3. Step 3: Cross multiply
    30,259.34x = 41,738.49 × 19,517.93
  4. Step 4: Simplify right side
    30,259.34x = 814,648,873.95
  5. Step 5: Solve for x
    x = 814,648,873.95/30,259.34
  6. Step 6: Final answer
    x = 26,922.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.