Home / 37,067.81-51,157.23-21,154.64

Finding the Fourth Proportional to 37,067.81, 51,157.23 and 21,154.64

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Solution

The fourth proportional to 37,067.81, 51,157.23 and 21,154.64 is: 29,195.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,067.81 : 51,157.23 = 21,154.64 : x
  2. Step 2: Convert to fraction form
    37,067.81/51,157.23 = 21,154.64/x
  3. Step 3: Cross multiply
    37,067.81x = 51,157.23 × 21,154.64
  4. Step 4: Simplify right side
    37,067.81x = 1,082,212,528.26
  5. Step 5: Solve for x
    x = 1,082,212,528.26/37,067.81
  6. Step 6: Final answer
    x = 29,195.48

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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.