Home / 51,853.47-77,796.35-18,573.82

Finding the Fourth Proportional to 51,853.47, 77,796.35 and 18,573.82

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Solution

The fourth proportional to 51,853.47, 77,796.35 and 18,573.82 is: 27,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,853.47 : 77,796.35 = 18,573.82 : x
  2. Step 2: Convert to fraction form
    51,853.47/77,796.35 = 18,573.82/x
  3. Step 3: Cross multiply
    51,853.47x = 77,796.35 × 18,573.82
  4. Step 4: Simplify right side
    51,853.47x = 1,444,975,114.20
  5. Step 5: Solve for x
    x = 1,444,975,114.20/51,853.47
  6. Step 6: Final answer
    x = 27,866.51

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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.