Home / 35,309.75-48,727.50-19,394.51

Finding the Fourth Proportional to 35,309.75, 48,727.50 and 19,394.51

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Solution

The fourth proportional to 35,309.75, 48,727.50 and 19,394.51 is: 26,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,309.75 : 48,727.50 = 19,394.51 : x
  2. Step 2: Convert to fraction form
    35,309.75/48,727.50 = 19,394.51/x
  3. Step 3: Cross multiply
    35,309.75x = 48,727.50 × 19,394.51
  4. Step 4: Simplify right side
    35,309.75x = 945,045,986.03
  5. Step 5: Solve for x
    x = 945,045,986.03/35,309.75
  6. Step 6: Final answer
    x = 26,764.45

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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.