Home / 30,200.30-41,669.69-18,263.37

Finding the Fourth Proportional to 30,200.30, 41,669.69 and 18,263.37

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Solution

The fourth proportional to 30,200.30, 41,669.69 and 18,263.37 is: 25,199.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.30 : 41,669.69 = 18,263.37 : x
  2. Step 2: Convert to fraction form
    30,200.30/41,669.69 = 18,263.37/x
  3. Step 3: Cross multiply
    30,200.30x = 41,669.69 × 18,263.37
  4. Step 4: Simplify right side
    30,200.30x = 761,028,874.94
  5. Step 5: Solve for x
    x = 761,028,874.94/30,200.30
  6. Step 6: Final answer
    x = 25,199.39

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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.