Home / 51,198.71-70,654.56-28,539.17

Finding the Fourth Proportional to 51,198.71, 70,654.56 and 28,539.17

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Solution

The fourth proportional to 51,198.71, 70,654.56 and 28,539.17 is: 39,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,198.71 : 70,654.56 = 28,539.17 : x
  2. Step 2: Convert to fraction form
    51,198.71/70,654.56 = 28,539.17/x
  3. Step 3: Cross multiply
    51,198.71x = 70,654.56 × 28,539.17
  4. Step 4: Simplify right side
    51,198.71x = 2,016,422,145.84
  5. Step 5: Solve for x
    x = 2,016,422,145.84/51,198.71
  6. Step 6: Final answer
    x = 39,384.24

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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.