Home / 56,221-77,583.94-31,069.96

Finding the Fourth Proportional to 56,221, 77,583.94 and 31,069.96

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Solution

The fourth proportional to 56,221, 77,583.94 and 31,069.96 is: 42,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,221 : 77,583.94 = 31,069.96 : x
  2. Step 2: Convert to fraction form
    56,221/77,583.94 = 31,069.96/x
  3. Step 3: Cross multiply
    56,221x = 77,583.94 × 31,069.96
  4. Step 4: Simplify right side
    56,221x = 2,410,529,912.44
  5. Step 5: Solve for x
    x = 2,410,529,912.44/56,221
  6. Step 6: Final answer
    x = 42,875.97

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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.