Home / 37,977.92-52,409.92-21,208.96

Finding the Fourth Proportional to 37,977.92, 52,409.92 and 21,208.96

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Solution

The fourth proportional to 37,977.92, 52,409.92 and 21,208.96 is: 29,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,977.92 : 52,409.92 = 21,208.96 : x
  2. Step 2: Convert to fraction form
    37,977.92/52,409.92 = 21,208.96/x
  3. Step 3: Cross multiply
    37,977.92x = 52,409.92 × 21,208.96
  4. Step 4: Simplify right side
    37,977.92x = 1,111,559,896.88
  5. Step 5: Solve for x
    x = 1,111,559,896.88/37,977.92
  6. Step 6: Final answer
    x = 29,268.58

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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.