Home / 37,072.29-51,163.44-21,159.15

Finding the Fourth Proportional to 37,072.29, 51,163.44 and 21,159.15

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Solution

The fourth proportional to 37,072.29, 51,163.44 and 21,159.15 is: 29,201.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,072.29 : 51,163.44 = 21,159.15 : x
  2. Step 2: Convert to fraction form
    37,072.29/51,163.44 = 21,159.15/x
  3. Step 3: Cross multiply
    37,072.29x = 51,163.44 × 21,159.15
  4. Step 4: Simplify right side
    37,072.29x = 1,082,574,901.48
  5. Step 5: Solve for x
    x = 1,082,574,901.48/37,072.29
  6. Step 6: Final answer
    x = 29,201.73

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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.