Home / 56,441.44-77,885.94-30,942.88

Finding the Fourth Proportional to 56,441.44, 77,885.94 and 30,942.88

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Solution

The fourth proportional to 56,441.44, 77,885.94 and 30,942.88 is: 42,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,441.44 : 77,885.94 = 30,942.88 : x
  2. Step 2: Convert to fraction form
    56,441.44/77,885.94 = 30,942.88/x
  3. Step 3: Cross multiply
    56,441.44x = 77,885.94 × 30,942.88
  4. Step 4: Simplify right side
    56,441.44x = 2,410,015,295.11
  5. Step 5: Solve for x
    x = 2,410,015,295.11/56,441.44
  6. Step 6: Final answer
    x = 42,699.39

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1.5x scale

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.