Home / 37,101.78-51,200.40-20,106.54

Finding the Fourth Proportional to 37,101.78, 51,200.40 and 20,106.54

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Solution

The fourth proportional to 37,101.78, 51,200.40 and 20,106.54 is: 27,746.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,101.78 : 51,200.40 = 20,106.54 : x
  2. Step 2: Convert to fraction form
    37,101.78/51,200.40 = 20,106.54/x
  3. Step 3: Cross multiply
    37,101.78x = 51,200.40 × 20,106.54
  4. Step 4: Simplify right side
    37,101.78x = 1,029,462,890.62
  5. Step 5: Solve for x
    x = 1,029,462,890.62/37,101.78
  6. Step 6: Final answer
    x = 27,746.99

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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.