Home / 37,102.78-51,201.27-20,106.61

Finding the Fourth Proportional to 37,102.78, 51,201.27 and 20,106.61

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Solution

The fourth proportional to 37,102.78, 51,201.27 and 20,106.61 is: 27,746.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,102.78 : 51,201.27 = 20,106.61 : x
  2. Step 2: Convert to fraction form
    37,102.78/51,201.27 = 20,106.61/x
  3. Step 3: Cross multiply
    37,102.78x = 51,201.27 × 20,106.61
  4. Step 4: Simplify right side
    37,102.78x = 1,029,483,967.39
  5. Step 5: Solve for x
    x = 1,029,483,967.39/37,102.78
  6. Step 6: Final answer
    x = 27,746.81

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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.