Home / 39,190.09-58,777.26-19,190.96

Finding the Fourth Proportional to 39,190.09, 58,777.26 and 19,190.96

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Solution

The fourth proportional to 39,190.09, 58,777.26 and 19,190.96 is: 28,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,190.09 : 58,777.26 = 19,190.96 : x
  2. Step 2: Convert to fraction form
    39,190.09/58,777.26 = 19,190.96/x
  3. Step 3: Cross multiply
    39,190.09x = 58,777.26 × 19,190.96
  4. Step 4: Simplify right side
    39,190.09x = 1,127,992,045.57
  5. Step 5: Solve for x
    x = 1,127,992,045.57/39,190.09
  6. Step 6: Final answer
    x = 28,782.59

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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.