Home / 51,951.22-77,907.39-40,987.06

Finding the Fourth Proportional to 51,951.22, 77,907.39 and 40,987.06

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Solution

The fourth proportional to 51,951.22, 77,907.39 and 40,987.06 is: 61,465.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,951.22 : 77,907.39 = 40,987.06 : x
  2. Step 2: Convert to fraction form
    51,951.22/77,907.39 = 40,987.06/x
  3. Step 3: Cross multiply
    51,951.22x = 77,907.39 × 40,987.06
  4. Step 4: Simplify right side
    51,951.22x = 3,193,194,868.37
  5. Step 5: Solve for x
    x = 3,193,194,868.37/51,951.22
  6. Step 6: Final answer
    x = 61,465.25

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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.