Home / 37,106.14-51,207.78-21,190.30

Finding the Fourth Proportional to 37,106.14, 51,207.78 and 21,190.30

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Solution

The fourth proportional to 37,106.14, 51,207.78 and 21,190.30 is: 29,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,106.14 : 51,207.78 = 21,190.30 : x
  2. Step 2: Convert to fraction form
    37,106.14/51,207.78 = 21,190.30/x
  3. Step 3: Cross multiply
    37,106.14x = 51,207.78 × 21,190.30
  4. Step 4: Simplify right side
    37,106.14x = 1,085,108,220.53
  5. Step 5: Solve for x
    x = 1,085,108,220.53/37,106.14
  6. Step 6: Final answer
    x = 29,243.36

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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.