Home / 38,161.83-57,239.87-19,430.13

Finding the Fourth Proportional to 38,161.83, 57,239.87 and 19,430.13

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Solution

The fourth proportional to 38,161.83, 57,239.87 and 19,430.13 is: 29,143.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,161.83 : 57,239.87 = 19,430.13 : x
  2. Step 2: Convert to fraction form
    38,161.83/57,239.87 = 19,430.13/x
  3. Step 3: Cross multiply
    38,161.83x = 57,239.87 × 19,430.13
  4. Step 4: Simplify right side
    38,161.83x = 1,112,178,018.13
  5. Step 5: Solve for x
    x = 1,112,178,018.13/38,161.83
  6. Step 6: Final answer
    x = 29,143.73

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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.