Home / 30,247.76-41,742.20-16,636.12

Finding the Fourth Proportional to 30,247.76, 41,742.20 and 16,636.12

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Solution

The fourth proportional to 30,247.76, 41,742.20 and 16,636.12 is: 22,958.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.76 : 41,742.20 = 16,636.12 : x
  2. Step 2: Convert to fraction form
    30,247.76/41,742.20 = 16,636.12/x
  3. Step 3: Cross multiply
    30,247.76x = 41,742.20 × 16,636.12
  4. Step 4: Simplify right side
    30,247.76x = 694,428,185.50
  5. Step 5: Solve for x
    x = 694,428,185.50/30,247.76
  6. Step 6: Final answer
    x = 22,958.00

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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.