Home / 50,986.68-70,362.54-28,631.48

Finding the Fourth Proportional to 50,986.68, 70,362.54 and 28,631.48

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Solution

The fourth proportional to 50,986.68, 70,362.54 and 28,631.48 is: 39,511.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,986.68 : 70,362.54 = 28,631.48 : x
  2. Step 2: Convert to fraction form
    50,986.68/70,362.54 = 28,631.48/x
  3. Step 3: Cross multiply
    50,986.68x = 70,362.54 × 28,631.48
  4. Step 4: Simplify right side
    50,986.68x = 2,014,583,656.76
  5. Step 5: Solve for x
    x = 2,014,583,656.76/50,986.68
  6. Step 6: Final answer
    x = 39,511.96

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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.