Home / 51,519.19-71,096.86-28,858.45

Finding the Fourth Proportional to 51,519.19, 71,096.86 and 28,858.45

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Solution

The fourth proportional to 51,519.19, 71,096.86 and 28,858.45 is: 39,824.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,519.19 : 71,096.86 = 28,858.45 : x
  2. Step 2: Convert to fraction form
    51,519.19/71,096.86 = 28,858.45/x
  3. Step 3: Cross multiply
    51,519.19x = 71,096.86 × 28,858.45
  4. Step 4: Simplify right side
    51,519.19x = 2,051,745,452.23
  5. Step 5: Solve for x
    x = 2,051,745,452.23/51,519.19
  6. Step 6: Final answer
    x = 39,824.88

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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.