Home / 37,815.35-56,721.30-14,121.05

Finding the Fourth Proportional to 37,815.35, 56,721.30 and 14,121.05

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Solution

The fourth proportional to 37,815.35, 56,721.30 and 14,121.05 is: 21,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,815.35 : 56,721.30 = 14,121.05 : x
  2. Step 2: Convert to fraction form
    37,815.35/56,721.30 = 14,121.05/x
  3. Step 3: Cross multiply
    37,815.35x = 56,721.30 × 14,121.05
  4. Step 4: Simplify right side
    37,815.35x = 800,964,313.37
  5. Step 5: Solve for x
    x = 800,964,313.37/37,815.35
  6. Step 6: Final answer
    x = 21,180.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.