Home / 30,148.82-41,605.48-16,721.31

Finding the Fourth Proportional to 30,148.82, 41,605.48 and 16,721.31

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Solution

The fourth proportional to 30,148.82, 41,605.48 and 16,721.31 is: 23,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,148.82 : 41,605.48 = 16,721.31 : x
  2. Step 2: Convert to fraction form
    30,148.82/41,605.48 = 16,721.31/x
  3. Step 3: Cross multiply
    30,148.82x = 41,605.48 × 16,721.31
  4. Step 4: Simplify right side
    30,148.82x = 695,698,305.70
  5. Step 5: Solve for x
    x = 695,698,305.70/30,148.82
  6. Step 6: Final answer
    x = 23,075.47

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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.