Home / 31,107.44-46,648.81-13,564.97

Finding the Fourth Proportional to 31,107.44, 46,648.81 and 13,564.97

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Solution

The fourth proportional to 31,107.44, 46,648.81 and 13,564.97 is: 20,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,107.44 : 46,648.81 = 13,564.97 : x
  2. Step 2: Convert to fraction form
    31,107.44/46,648.81 = 13,564.97/x
  3. Step 3: Cross multiply
    31,107.44x = 46,648.81 × 13,564.97
  4. Step 4: Simplify right side
    31,107.44x = 632,789,666.83
  5. Step 5: Solve for x
    x = 632,789,666.83/31,107.44
  6. Step 6: Final answer
    x = 20,342.07

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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.