Home / 30,252.78-41,744.55-16,824.30

Finding the Fourth Proportional to 30,252.78, 41,744.55 and 16,824.30

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Solution

The fourth proportional to 30,252.78, 41,744.55 and 16,824.30 is: 23,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.78 : 41,744.55 = 16,824.30 : x
  2. Step 2: Convert to fraction form
    30,252.78/41,744.55 = 16,824.30/x
  3. Step 3: Cross multiply
    30,252.78x = 41,744.55 × 16,824.30
  4. Step 4: Simplify right side
    30,252.78x = 702,322,832.57
  5. Step 5: Solve for x
    x = 702,322,832.57/30,252.78
  6. Step 6: Final answer
    x = 23,215.15

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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.