Home / 51,788.07-77,698.49-18,507.38

Finding the Fourth Proportional to 51,788.07, 77,698.49 and 18,507.38

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Solution

The fourth proportional to 51,788.07, 77,698.49 and 18,507.38 is: 27,766.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,788.07 : 77,698.49 = 18,507.38 : x
  2. Step 2: Convert to fraction form
    51,788.07/77,698.49 = 18,507.38/x
  3. Step 3: Cross multiply
    51,788.07x = 77,698.49 × 18,507.38
  4. Step 4: Simplify right side
    51,788.07x = 1,437,994,998.83
  5. Step 5: Solve for x
    x = 1,437,994,998.83/51,788.07
  6. Step 6: Final answer
    x = 27,766.92

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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.