Home / 50,856.07-70,181.35-28,195

Finding the Fourth Proportional to 50,856.07, 70,181.35 and 28,195

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Solution

The fourth proportional to 50,856.07, 70,181.35 and 28,195 is: 38,909.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,856.07 : 70,181.35 = 28,195 : x
  2. Step 2: Convert to fraction form
    50,856.07/70,181.35 = 28,195/x
  3. Step 3: Cross multiply
    50,856.07x = 70,181.35 × 28,195
  4. Step 4: Simplify right side
    50,856.07x = 1,978,763,163.25
  5. Step 5: Solve for x
    x = 1,978,763,163.25/50,856.07
  6. Step 6: Final answer
    x = 38,909.09

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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.