Home / 37,270.31-51,433.97-20,275.51

Finding the Fourth Proportional to 37,270.31, 51,433.97 and 20,275.51

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Solution

The fourth proportional to 37,270.31, 51,433.97 and 20,275.51 is: 27,980.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,270.31 : 51,433.97 = 20,275.51 : x
  2. Step 2: Convert to fraction form
    37,270.31/51,433.97 = 20,275.51/x
  3. Step 3: Cross multiply
    37,270.31x = 51,433.97 × 20,275.51
  4. Step 4: Simplify right side
    37,270.31x = 1,042,849,743.11
  5. Step 5: Solve for x
    x = 1,042,849,743.11/37,270.31
  6. Step 6: Final answer
    x = 27,980.71

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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.