Home / 30,306.36-41,821.82-16,877.32

Finding the Fourth Proportional to 30,306.36, 41,821.82 and 16,877.32

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Solution

The fourth proportional to 30,306.36, 41,821.82 and 16,877.32 is: 23,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306.36 : 41,821.82 = 16,877.32 : x
  2. Step 2: Convert to fraction form
    30,306.36/41,821.82 = 16,877.32/x
  3. Step 3: Cross multiply
    30,306.36x = 41,821.82 × 16,877.32
  4. Step 4: Simplify right side
    30,306.36x = 705,840,239.12
  5. Step 5: Solve for x
    x = 705,840,239.12/30,306.36
  6. Step 6: Final answer
    x = 23,290.17

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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.