Home / 37,090.68-51,189.90-21,171.48

Finding the Fourth Proportional to 37,090.68, 51,189.90 and 21,171.48

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Solution

The fourth proportional to 37,090.68, 51,189.90 and 21,171.48 is: 29,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,090.68 : 51,189.90 = 21,171.48 : x
  2. Step 2: Convert to fraction form
    37,090.68/51,189.90 = 21,171.48/x
  3. Step 3: Cross multiply
    37,090.68x = 51,189.90 × 21,171.48
  4. Step 4: Simplify right side
    37,090.68x = 1,083,765,944.05
  5. Step 5: Solve for x
    x = 1,083,765,944.05/37,090.68
  6. Step 6: Final answer
    x = 29,219.36

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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.