Home / 49,322.36-73,980.30-21,241.28

Finding the Fourth Proportional to 49,322.36, 73,980.30 and 21,241.28

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Solution

The fourth proportional to 49,322.36, 73,980.30 and 21,241.28 is: 31,860.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,322.36 : 73,980.30 = 21,241.28 : x
  2. Step 2: Convert to fraction form
    49,322.36/73,980.30 = 21,241.28/x
  3. Step 3: Cross multiply
    49,322.36x = 73,980.30 × 21,241.28
  4. Step 4: Simplify right side
    49,322.36x = 1,571,436,266.78
  5. Step 5: Solve for x
    x = 1,571,436,266.78/49,322.36
  6. Step 6: Final answer
    x = 31,860.52

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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.