Home / 35,756.56-49,343.28-19,840.04

Finding the Fourth Proportional to 35,756.56, 49,343.28 and 19,840.04

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Solution

The fourth proportional to 35,756.56, 49,343.28 and 19,840.04 is: 27,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,756.56 : 49,343.28 = 19,840.04 : x
  2. Step 2: Convert to fraction form
    35,756.56/49,343.28 = 19,840.04/x
  3. Step 3: Cross multiply
    35,756.56x = 49,343.28 × 19,840.04
  4. Step 4: Simplify right side
    35,756.56x = 978,972,648.93
  5. Step 5: Solve for x
    x = 978,972,648.93/35,756.56
  6. Step 6: Final answer
    x = 27,378.83

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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.