Home / 51,185.88-70,636.58-28,524.38

Finding the Fourth Proportional to 51,185.88, 70,636.58 and 28,524.38

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Solution

The fourth proportional to 51,185.88, 70,636.58 and 28,524.38 is: 39,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,185.88 : 70,636.58 = 28,524.38 : x
  2. Step 2: Convert to fraction form
    51,185.88/70,636.58 = 28,524.38/x
  3. Step 3: Cross multiply
    51,185.88x = 70,636.58 × 28,524.38
  4. Step 4: Simplify right side
    51,185.88x = 2,014,864,367.95
  5. Step 5: Solve for x
    x = 2,014,864,367.95/51,185.88
  6. Step 6: Final answer
    x = 39,363.68

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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.