Home / 30,252.54-41,745.31-16,821.63

Finding the Fourth Proportional to 30,252.54, 41,745.31 and 16,821.63

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Solution

The fourth proportional to 30,252.54, 41,745.31 and 16,821.63 is: 23,212.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.54 : 41,745.31 = 16,821.63 : x
  2. Step 2: Convert to fraction form
    30,252.54/41,745.31 = 16,821.63/x
  3. Step 3: Cross multiply
    30,252.54x = 41,745.31 × 16,821.63
  4. Step 4: Simplify right side
    30,252.54x = 702,224,159.06
  5. Step 5: Solve for x
    x = 702,224,159.06/30,252.54
  6. Step 6: Final answer
    x = 23,212.07

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1.5x scale

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.