Home / 51,533.82-71,112.47-28,870.97

Finding the Fourth Proportional to 51,533.82, 71,112.47 and 28,870.97

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Solution

The fourth proportional to 51,533.82, 71,112.47 and 28,870.97 is: 39,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,533.82 : 71,112.47 = 28,870.97 : x
  2. Step 2: Convert to fraction form
    51,533.82/71,112.47 = 28,870.97/x
  3. Step 3: Cross multiply
    51,533.82x = 71,112.47 × 28,870.97
  4. Step 4: Simplify right side
    51,533.82x = 2,053,085,488.08
  5. Step 5: Solve for x
    x = 2,053,085,488.08/51,533.82
  6. Step 6: Final answer
    x = 39,839.58

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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.