Home / 30,863.50-42,591.93-16,716.66

Finding the Fourth Proportional to 30,863.50, 42,591.93 and 16,716.66

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Solution

The fourth proportional to 30,863.50, 42,591.93 and 16,716.66 is: 23,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,863.50 : 42,591.93 = 16,716.66 : x
  2. Step 2: Convert to fraction form
    30,863.50/42,591.93 = 16,716.66/x
  3. Step 3: Cross multiply
    30,863.50x = 42,591.93 × 16,716.66
  4. Step 4: Simplify right side
    30,863.50x = 711,994,812.55
  5. Step 5: Solve for x
    x = 711,994,812.55/30,863.50
  6. Step 6: Final answer
    x = 23,069.15

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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.