Home / 30,863.43-42,591.60-16,716.29

Finding the Fourth Proportional to 30,863.43, 42,591.60 and 16,716.29

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Solution

The fourth proportional to 30,863.43, 42,591.60 and 16,716.29 is: 23,068.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,863.43 : 42,591.60 = 16,716.29 : x
  2. Step 2: Convert to fraction form
    30,863.43/42,591.60 = 16,716.29/x
  3. Step 3: Cross multiply
    30,863.43x = 42,591.60 × 16,716.29
  4. Step 4: Simplify right side
    30,863.43x = 711,973,324.21
  5. Step 5: Solve for x
    x = 711,973,324.21/30,863.43
  6. Step 6: Final answer
    x = 23,068.51

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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.