Home / 50,841.87-70,164.12-28,181.34

Finding the Fourth Proportional to 50,841.87, 70,164.12 and 28,181.34

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Solution

The fourth proportional to 50,841.87, 70,164.12 and 28,181.34 is: 38,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,841.87 : 70,164.12 = 28,181.34 : x
  2. Step 2: Convert to fraction form
    50,841.87/70,164.12 = 28,181.34/x
  3. Step 3: Cross multiply
    50,841.87x = 70,164.12 × 28,181.34
  4. Step 4: Simplify right side
    50,841.87x = 1,977,318,921.52
  5. Step 5: Solve for x
    x = 1,977,318,921.52/50,841.87
  6. Step 6: Final answer
    x = 38,891.55

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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.