Home / 37,700.28-52,022.40-21,789.78

Finding the Fourth Proportional to 37,700.28, 52,022.40 and 21,789.78

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Solution

The fourth proportional to 37,700.28, 52,022.40 and 21,789.78 is: 30,067.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,700.28 : 52,022.40 = 21,789.78 : x
  2. Step 2: Convert to fraction form
    37,700.28/52,022.40 = 21,789.78/x
  3. Step 3: Cross multiply
    37,700.28x = 52,022.40 × 21,789.78
  4. Step 4: Simplify right side
    37,700.28x = 1,133,556,651.07
  5. Step 5: Solve for x
    x = 1,133,556,651.07/37,700.28
  6. Step 6: Final answer
    x = 30,067.59

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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.