Home / 30,067.63-41,492.31-16,639.45

Finding the Fourth Proportional to 30,067.63, 41,492.31 and 16,639.45

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Solution

The fourth proportional to 30,067.63, 41,492.31 and 16,639.45 is: 22,961.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.63 : 41,492.31 = 16,639.45 : x
  2. Step 2: Convert to fraction form
    30,067.63/41,492.31 = 16,639.45/x
  3. Step 3: Cross multiply
    30,067.63x = 41,492.31 × 16,639.45
  4. Step 4: Simplify right side
    30,067.63x = 690,409,296.74
  5. Step 5: Solve for x
    x = 690,409,296.74/30,067.63
  6. Step 6: Final answer
    x = 22,961.88

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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.