Home / 38,020.74-57,022.47-18,289.14

Finding the Fourth Proportional to 38,020.74, 57,022.47 and 18,289.14

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Solution

The fourth proportional to 38,020.74, 57,022.47 and 18,289.14 is: 27,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,020.74 : 57,022.47 = 18,289.14 : x
  2. Step 2: Convert to fraction form
    38,020.74/57,022.47 = 18,289.14/x
  3. Step 3: Cross multiply
    38,020.74x = 57,022.47 × 18,289.14
  4. Step 4: Simplify right side
    38,020.74x = 1,042,891,936.98
  5. Step 5: Solve for x
    x = 1,042,891,936.98/38,020.74
  6. Step 6: Final answer
    x = 27,429.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.