Home / 37,626.48-51,921.68-20,628

Finding the Fourth Proportional to 37,626.48, 51,921.68 and 20,628

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Solution

The fourth proportional to 37,626.48, 51,921.68 and 20,628 is: 28,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,626.48 : 51,921.68 = 20,628 : x
  2. Step 2: Convert to fraction form
    37,626.48/51,921.68 = 20,628/x
  3. Step 3: Cross multiply
    37,626.48x = 51,921.68 × 20,628
  4. Step 4: Simplify right side
    37,626.48x = 1,071,040,415.04
  5. Step 5: Solve for x
    x = 1,071,040,415.04/37,626.48
  6. Step 6: Final answer
    x = 28,465.07

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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.