Home / 30,007.80-41,415.73-22,861.33

Finding the Fourth Proportional to 30,007.80, 41,415.73 and 22,861.33

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Solution

The fourth proportional to 30,007.80, 41,415.73 and 22,861.33 is: 31,552.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.80 : 41,415.73 = 22,861.33 : x
  2. Step 2: Convert to fraction form
    30,007.80/41,415.73 = 22,861.33/x
  3. Step 3: Cross multiply
    30,007.80x = 41,415.73 × 22,861.33
  4. Step 4: Simplify right side
    30,007.80x = 946,818,510.03
  5. Step 5: Solve for x
    x = 946,818,510.03/30,007.80
  6. Step 6: Final answer
    x = 31,552.41

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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.