Home / 37,912.25-52,318.91-21,145.25

Finding the Fourth Proportional to 37,912.25, 52,318.91 and 21,145.25

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Solution

The fourth proportional to 37,912.25, 52,318.91 and 21,145.25 is: 29,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912.25 : 52,318.91 = 21,145.25 : x
  2. Step 2: Convert to fraction form
    37,912.25/52,318.91 = 21,145.25/x
  3. Step 3: Cross multiply
    37,912.25x = 52,318.91 × 21,145.25
  4. Step 4: Simplify right side
    37,912.25x = 1,106,296,431.68
  5. Step 5: Solve for x
    x = 1,106,296,431.68/37,912.25
  6. Step 6: Final answer
    x = 29,180.45

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1.5x scale

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.