Home / 51,282.91-70,770.18-28,621.63

Finding the Fourth Proportional to 51,282.91, 70,770.18 and 28,621.63

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Solution

The fourth proportional to 51,282.91, 70,770.18 and 28,621.63 is: 39,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,282.91 : 70,770.18 = 28,621.63 : x
  2. Step 2: Convert to fraction form
    51,282.91/70,770.18 = 28,621.63/x
  3. Step 3: Cross multiply
    51,282.91x = 70,770.18 × 28,621.63
  4. Step 4: Simplify right side
    51,282.91x = 2,025,557,906.99
  5. Step 5: Solve for x
    x = 2,025,557,906.99/51,282.91
  6. Step 6: Final answer
    x = 39,497.72

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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.