Home / 58,828.91-81,183.82-31,971.36

Finding the Fourth Proportional to 58,828.91, 81,183.82 and 31,971.36

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Solution

The fourth proportional to 58,828.91, 81,183.82 and 31,971.36 is: 44,120.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,828.91 : 81,183.82 = 31,971.36 : x
  2. Step 2: Convert to fraction form
    58,828.91/81,183.82 = 31,971.36/x
  3. Step 3: Cross multiply
    58,828.91x = 81,183.82 × 31,971.36
  4. Step 4: Simplify right side
    58,828.91x = 2,595,556,963.19
  5. Step 5: Solve for x
    x = 2,595,556,963.19/58,828.91
  6. Step 6: Final answer
    x = 44,120.43

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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.