Home / 56,251.96-77,629.26-31,102.36

Finding the Fourth Proportional to 56,251.96, 77,629.26 and 31,102.36

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Solution

The fourth proportional to 56,251.96, 77,629.26 and 31,102.36 is: 42,922.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,251.96 : 77,629.26 = 31,102.36 : x
  2. Step 2: Convert to fraction form
    56,251.96/77,629.26 = 31,102.36/x
  3. Step 3: Cross multiply
    56,251.96x = 77,629.26 × 31,102.36
  4. Step 4: Simplify right side
    56,251.96x = 2,414,453,191.05
  5. Step 5: Solve for x
    x = 2,414,453,191.05/56,251.96
  6. Step 6: Final answer
    x = 42,922.12

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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.