Home / 30,703.75-46,045.82-11,979.23

Finding the Fourth Proportional to 30,703.75, 46,045.82 and 11,979.23

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Solution

The fourth proportional to 30,703.75, 46,045.82 and 11,979.23 is: 17,965.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,703.75 : 46,045.82 = 11,979.23 : x
  2. Step 2: Convert to fraction form
    30,703.75/46,045.82 = 11,979.23/x
  3. Step 3: Cross multiply
    30,703.75x = 46,045.82 × 11,979.23
  4. Step 4: Simplify right side
    30,703.75x = 551,593,268.04
  5. Step 5: Solve for x
    x = 551,593,268.04/30,703.75
  6. Step 6: Final answer
    x = 17,965.01

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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.