Home / 50,875.42-70,211.62-28,216.48

Finding the Fourth Proportional to 50,875.42, 70,211.62 and 28,216.48

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Solution

The fourth proportional to 50,875.42, 70,211.62 and 28,216.48 is: 38,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,875.42 : 70,211.62 = 28,216.48 : x
  2. Step 2: Convert to fraction form
    50,875.42/70,211.62 = 28,216.48/x
  3. Step 3: Cross multiply
    50,875.42x = 70,211.62 × 28,216.48
  4. Step 4: Simplify right side
    50,875.42x = 1,981,124,771.50
  5. Step 5: Solve for x
    x = 1,981,124,771.50/50,875.42
  6. Step 6: Final answer
    x = 38,940.71

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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.