Home / 30,172.76-41,635.02-16,744.58

Finding the Fourth Proportional to 30,172.76, 41,635.02 and 16,744.58

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Solution

The fourth proportional to 30,172.76, 41,635.02 and 16,744.58 is: 23,105.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,172.76 : 41,635.02 = 16,744.58 : x
  2. Step 2: Convert to fraction form
    30,172.76/41,635.02 = 16,744.58/x
  3. Step 3: Cross multiply
    30,172.76x = 41,635.02 × 16,744.58
  4. Step 4: Simplify right side
    30,172.76x = 697,160,933.94
  5. Step 5: Solve for x
    x = 697,160,933.94/30,172.76
  6. Step 6: Final answer
    x = 23,105.64

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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.