Home / 37,270.19-51,433.79-20,275.38

Finding the Fourth Proportional to 37,270.19, 51,433.79 and 20,275.38

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Solution

The fourth proportional to 37,270.19, 51,433.79 and 20,275.38 is: 27,980.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,270.19 : 51,433.79 = 20,275.38 : x
  2. Step 2: Convert to fraction form
    37,270.19/51,433.79 = 20,275.38/x
  3. Step 3: Cross multiply
    37,270.19x = 51,433.79 × 20,275.38
  4. Step 4: Simplify right side
    37,270.19x = 1,042,839,816.36
  5. Step 5: Solve for x
    x = 1,042,839,816.36/37,270.19
  6. Step 6: Final answer
    x = 27,980.54

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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.