Home / 30,179.17-41,649.20-16,750.43

Finding the Fourth Proportional to 30,179.17, 41,649.20 and 16,750.43

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Solution

The fourth proportional to 30,179.17, 41,649.20 and 16,750.43 is: 23,116.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.17 : 41,649.20 = 16,750.43 : x
  2. Step 2: Convert to fraction form
    30,179.17/41,649.20 = 16,750.43/x
  3. Step 3: Cross multiply
    30,179.17x = 41,649.20 × 16,750.43
  4. Step 4: Simplify right side
    30,179.17x = 697,641,800.91
  5. Step 5: Solve for x
    x = 697,641,800.91/30,179.17
  6. Step 6: Final answer
    x = 23,116.67

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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.