Home / 50,881.41-70,219.89-28,222.56

Finding the Fourth Proportional to 50,881.41, 70,219.89 and 28,222.56

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Solution

The fourth proportional to 50,881.41, 70,219.89 and 28,222.56 is: 38,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,881.41 : 70,219.89 = 28,222.56 : x
  2. Step 2: Convert to fraction form
    50,881.41/70,219.89 = 28,222.56/x
  3. Step 3: Cross multiply
    50,881.41x = 70,219.89 × 28,222.56
  4. Step 4: Simplify right side
    50,881.41x = 1,981,785,058.72
  5. Step 5: Solve for x
    x = 1,981,785,058.72/50,881.41
  6. Step 6: Final answer
    x = 38,949.10

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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.