Home / 37,912.26-52,318.90-21,145.26

Finding the Fourth Proportional to 37,912.26, 52,318.90 and 21,145.26

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Solution

The fourth proportional to 37,912.26, 52,318.90 and 21,145.26 is: 29,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912.26 : 52,318.90 = 21,145.26 : x
  2. Step 2: Convert to fraction form
    37,912.26/52,318.90 = 21,145.26/x
  3. Step 3: Cross multiply
    37,912.26x = 52,318.90 × 21,145.26
  4. Step 4: Simplify right side
    37,912.26x = 1,106,296,743.41
  5. Step 5: Solve for x
    x = 1,106,296,743.41/37,912.26
  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.