Home / 51,533.58-77,275.94-19,958.43

Finding the Fourth Proportional to 51,533.58, 77,275.94 and 19,958.43

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Solution

The fourth proportional to 51,533.58, 77,275.94 and 19,958.43 is: 29,928.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,533.58 : 77,275.94 = 19,958.43 : x
  2. Step 2: Convert to fraction form
    51,533.58/77,275.94 = 19,958.43/x
  3. Step 3: Cross multiply
    51,533.58x = 77,275.94 × 19,958.43
  4. Step 4: Simplify right side
    51,533.58x = 1,542,306,005.22
  5. Step 5: Solve for x
    x = 1,542,306,005.22/51,533.58
  6. Step 6: Final answer
    x = 29,928.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.