Home / 37,428.44-51,661.67-21,518.01

Finding the Fourth Proportional to 37,428.44, 51,661.67 and 21,518.01

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Solution

The fourth proportional to 37,428.44, 51,661.67 and 21,518.01 is: 29,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428.44 : 51,661.67 = 21,518.01 : x
  2. Step 2: Convert to fraction form
    37,428.44/51,661.67 = 21,518.01/x
  3. Step 3: Cross multiply
    37,428.44x = 51,661.67 × 21,518.01
  4. Step 4: Simplify right side
    37,428.44x = 1,111,656,224.09
  5. Step 5: Solve for x
    x = 1,111,656,224.09/37,428.44
  6. Step 6: Final answer
    x = 29,700.85

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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.