Home / 50,865.91-70,192.15-28,203.58

Finding the Fourth Proportional to 50,865.91, 70,192.15 and 28,203.58

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Solution

The fourth proportional to 50,865.91, 70,192.15 and 28,203.58 is: 38,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,865.91 : 70,192.15 = 28,203.58 : x
  2. Step 2: Convert to fraction form
    50,865.91/70,192.15 = 28,203.58/x
  3. Step 3: Cross multiply
    50,865.91x = 70,192.15 × 28,203.58
  4. Step 4: Simplify right side
    50,865.91x = 1,979,669,917.90
  5. Step 5: Solve for x
    x = 1,979,669,917.90/50,865.91
  6. Step 6: Final answer
    x = 38,919.38

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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.