Home / 50,891.46-70,238.62-28,237.74

Finding the Fourth Proportional to 50,891.46, 70,238.62 and 28,237.74

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Solution

The fourth proportional to 50,891.46, 70,238.62 and 28,237.74 is: 38,972.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,891.46 : 70,238.62 = 28,237.74 : x
  2. Step 2: Convert to fraction form
    50,891.46/70,238.62 = 28,237.74/x
  3. Step 3: Cross multiply
    50,891.46x = 70,238.62 × 28,237.74
  4. Step 4: Simplify right side
    50,891.46x = 1,983,379,889.52
  5. Step 5: Solve for x
    x = 1,983,379,889.52/50,891.46
  6. Step 6: Final answer
    x = 38,972.74

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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.