Home / 51,390.36-77,093.85-15,843.36

Finding the Fourth Proportional to 51,390.36, 77,093.85 and 15,843.36

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Solution

The fourth proportional to 51,390.36, 77,093.85 and 15,843.36 is: 23,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,390.36 : 77,093.85 = 15,843.36 : x
  2. Step 2: Convert to fraction form
    51,390.36/77,093.85 = 15,843.36/x
  3. Step 3: Cross multiply
    51,390.36x = 77,093.85 × 15,843.36
  4. Step 4: Simplify right side
    51,390.36x = 1,221,425,619.34
  5. Step 5: Solve for x
    x = 1,221,425,619.34/51,390.36
  6. Step 6: Final answer
    x = 23,767.60

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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.