Home / 37,619.10-51,911.10-21,486.33

Finding the Fourth Proportional to 37,619.10, 51,911.10 and 21,486.33

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Solution

The fourth proportional to 37,619.10, 51,911.10 and 21,486.33 is: 29,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,619.10 : 51,911.10 = 21,486.33 : x
  2. Step 2: Convert to fraction form
    37,619.10/51,911.10 = 21,486.33/x
  3. Step 3: Cross multiply
    37,619.10x = 51,911.10 × 21,486.33
  4. Step 4: Simplify right side
    37,619.10x = 1,115,379,025.26
  5. Step 5: Solve for x
    x = 1,115,379,025.26/37,619.10
  6. Step 6: Final answer
    x = 29,649.27

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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.