Home / 30,068.76-41,494.26-16,639.22

Finding the Fourth Proportional to 30,068.76, 41,494.26 and 16,639.22

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Solution

The fourth proportional to 30,068.76, 41,494.26 and 16,639.22 is: 22,961.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,068.76 : 41,494.26 = 16,639.22 : x
  2. Step 2: Convert to fraction form
    30,068.76/41,494.26 = 16,639.22/x
  3. Step 3: Cross multiply
    30,068.76x = 41,494.26 × 16,639.22
  4. Step 4: Simplify right side
    30,068.76x = 690,432,120.88
  5. Step 5: Solve for x
    x = 690,432,120.88/30,068.76
  6. Step 6: Final answer
    x = 22,961.78

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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.