Home / 51,270.12-70,754.58-30,048.12

Finding the Fourth Proportional to 51,270.12, 70,754.58 and 30,048.12

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Solution

The fourth proportional to 51,270.12, 70,754.58 and 30,048.12 is: 41,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,270.12 : 70,754.58 = 30,048.12 : x
  2. Step 2: Convert to fraction form
    51,270.12/70,754.58 = 30,048.12/x
  3. Step 3: Cross multiply
    51,270.12x = 70,754.58 × 30,048.12
  4. Step 4: Simplify right side
    51,270.12x = 2,126,042,110.39
  5. Step 5: Solve for x
    x = 2,126,042,110.39/51,270.12
  6. Step 6: Final answer
    x = 41,467.47

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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.