Home / 51,179.46-70,628.12-28,208.03

Finding the Fourth Proportional to 51,179.46, 70,628.12 and 28,208.03

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Solution

The fourth proportional to 51,179.46, 70,628.12 and 28,208.03 is: 38,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,179.46 : 70,628.12 = 28,208.03 : x
  2. Step 2: Convert to fraction form
    51,179.46/70,628.12 = 28,208.03/x
  3. Step 3: Cross multiply
    51,179.46x = 70,628.12 × 28,208.03
  4. Step 4: Simplify right side
    51,179.46x = 1,992,279,845.18
  5. Step 5: Solve for x
    x = 1,992,279,845.18/51,179.46
  6. Step 6: Final answer
    x = 38,927.33

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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.