Home / 38,068.70-57,108.50-11,775.48

Finding the Fourth Proportional to 38,068.70, 57,108.50 and 11,775.48

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Solution

The fourth proportional to 38,068.70, 57,108.50 and 11,775.48 is: 17,664.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,068.70 : 57,108.50 = 11,775.48 : x
  2. Step 2: Convert to fraction form
    38,068.70/57,108.50 = 11,775.48/x
  3. Step 3: Cross multiply
    38,068.70x = 57,108.50 × 11,775.48
  4. Step 4: Simplify right side
    38,068.70x = 672,479,940.70
  5. Step 5: Solve for x
    x = 672,479,940.70/38,068.70
  6. Step 6: Final answer
    x = 17,664.91

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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.