Home / 51,194.87-70,640.35-28,528.89

Finding the Fourth Proportional to 51,194.87, 70,640.35 and 28,528.89

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Solution

The fourth proportional to 51,194.87, 70,640.35 and 28,528.89 is: 39,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,194.87 : 70,640.35 = 28,528.89 : x
  2. Step 2: Convert to fraction form
    51,194.87/70,640.35 = 28,528.89/x
  3. Step 3: Cross multiply
    51,194.87x = 70,640.35 × 28,528.89
  4. Step 4: Simplify right side
    51,194.87x = 2,015,290,996.31
  5. Step 5: Solve for x
    x = 2,015,290,996.31/51,194.87
  6. Step 6: Final answer
    x = 39,365.10

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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.