Home / 30,105.11-41,543.21-16,675.58

Finding the Fourth Proportional to 30,105.11, 41,543.21 and 16,675.58

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Solution

The fourth proportional to 30,105.11, 41,543.21 and 16,675.58 is: 23,011.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,105.11 : 41,543.21 = 16,675.58 : x
  2. Step 2: Convert to fraction form
    30,105.11/41,543.21 = 16,675.58/x
  3. Step 3: Cross multiply
    30,105.11x = 41,543.21 × 16,675.58
  4. Step 4: Simplify right side
    30,105.11x = 692,757,121.81
  5. Step 5: Solve for x
    x = 692,757,121.81/30,105.11
  6. Step 6: Final answer
    x = 23,011.28

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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.