Home / 30,057.14-41,478.35-16,628.09

Finding the Fourth Proportional to 30,057.14, 41,478.35 and 16,628.09

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Solution

The fourth proportional to 30,057.14, 41,478.35 and 16,628.09 is: 22,946.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,057.14 : 41,478.35 = 16,628.09 : x
  2. Step 2: Convert to fraction form
    30,057.14/41,478.35 = 16,628.09/x
  3. Step 3: Cross multiply
    30,057.14x = 41,478.35 × 16,628.09
  4. Step 4: Simplify right side
    30,057.14x = 689,705,446.32
  5. Step 5: Solve for x
    x = 689,705,446.32/30,057.14
  6. Step 6: Final answer
    x = 22,946.47

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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.