Home / 35,756.91-49,343.04-19,840.41

Finding the Fourth Proportional to 35,756.91, 49,343.04 and 19,840.41

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Solution

The fourth proportional to 35,756.91, 49,343.04 and 19,840.41 is: 27,378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,756.91 : 49,343.04 = 19,840.41 : x
  2. Step 2: Convert to fraction form
    35,756.91/49,343.04 = 19,840.41/x
  3. Step 3: Cross multiply
    35,756.91x = 49,343.04 × 19,840.41
  4. Step 4: Simplify right side
    35,756.91x = 978,986,144.25
  5. Step 5: Solve for x
    x = 978,986,144.25/35,756.91
  6. Step 6: Final answer
    x = 27,378.94

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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.