Home / 37,643.94-51,942.74-21,725.42

Finding the Fourth Proportional to 37,643.94, 51,942.74 and 21,725.42

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Solution

The fourth proportional to 37,643.94, 51,942.74 and 21,725.42 is: 29,977.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,643.94 : 51,942.74 = 21,725.42 : x
  2. Step 2: Convert to fraction form
    37,643.94/51,942.74 = 21,725.42/x
  3. Step 3: Cross multiply
    37,643.94x = 51,942.74 × 21,725.42
  4. Step 4: Simplify right side
    37,643.94x = 1,128,477,474.11
  5. Step 5: Solve for x
    x = 1,128,477,474.11/37,643.94
  6. Step 6: Final answer
    x = 29,977.67

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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.