Home / 56,427.44-77,866.62-30,928.84

Finding the Fourth Proportional to 56,427.44, 77,866.62 and 30,928.84

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Solution

The fourth proportional to 56,427.44, 77,866.62 and 30,928.84 is: 42,680.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,427.44 : 77,866.62 = 30,928.84 : x
  2. Step 2: Convert to fraction form
    56,427.44/77,866.62 = 30,928.84/x
  3. Step 3: Cross multiply
    56,427.44x = 77,866.62 × 30,928.84
  4. Step 4: Simplify right side
    56,427.44x = 2,408,324,231.32
  5. Step 5: Solve for x
    x = 2,408,324,231.32/56,427.44
  6. Step 6: Final answer
    x = 42,680.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.