Home / 38,070.05-57,105-19,362.96

Finding the Fourth Proportional to 38,070.05, 57,105 and 19,362.96

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Solution

The fourth proportional to 38,070.05, 57,105 and 19,362.96 is: 29,044.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,070.05 : 57,105 = 19,362.96 : x
  2. Step 2: Convert to fraction form
    38,070.05/57,105 = 19,362.96/x
  3. Step 3: Cross multiply
    38,070.05x = 57,105 × 19,362.96
  4. Step 4: Simplify right side
    38,070.05x = 1,105,721,830.80
  5. Step 5: Solve for x
    x = 1,105,721,830.80/38,070.05
  6. Step 6: Final answer
    x = 29,044.41

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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.