Home / 30,143.21-41,597.46-16,716.45

Finding the Fourth Proportional to 30,143.21, 41,597.46 and 16,716.45

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Solution

The fourth proportional to 30,143.21, 41,597.46 and 16,716.45 is: 23,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,143.21 : 41,597.46 = 16,716.45 : x
  2. Step 2: Convert to fraction form
    30,143.21/41,597.46 = 16,716.45/x
  3. Step 3: Cross multiply
    30,143.21x = 41,597.46 × 16,716.45
  4. Step 4: Simplify right side
    30,143.21x = 695,361,704.23
  5. Step 5: Solve for x
    x = 695,361,704.23/30,143.21
  6. Step 6: Final answer
    x = 23,068.60

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Half scale
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Double scale
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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.