Home / 30,965.80-46,434.04-11,999.31

Finding the Fourth Proportional to 30,965.80, 46,434.04 and 11,999.31

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Solution

The fourth proportional to 30,965.80, 46,434.04 and 11,999.31 is: 17,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,965.80 : 46,434.04 = 11,999.31 : x
  2. Step 2: Convert to fraction form
    30,965.80/46,434.04 = 11,999.31/x
  3. Step 3: Cross multiply
    30,965.80x = 46,434.04 × 11,999.31
  4. Step 4: Simplify right side
    30,965.80x = 557,176,440.51
  5. Step 5: Solve for x
    x = 557,176,440.51/30,965.80
  6. Step 6: Final answer
    x = 17,993.28

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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.