Home / 51,621.49-71,236.29-28,958.59

Finding the Fourth Proportional to 51,621.49, 71,236.29 and 28,958.59

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Solution

The fourth proportional to 51,621.49, 71,236.29 and 28,958.59 is: 39,962.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,621.49 : 71,236.29 = 28,958.59 : x
  2. Step 2: Convert to fraction form
    51,621.49/71,236.29 = 28,958.59/x
  3. Step 3: Cross multiply
    51,621.49x = 71,236.29 × 28,958.59
  4. Step 4: Simplify right side
    51,621.49x = 2,062,902,515.23
  5. Step 5: Solve for x
    x = 2,062,902,515.23/51,621.49
  6. Step 6: Final answer
    x = 39,962.09

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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.