Home / 55,359.96-76,396.50-31,486.44

Finding the Fourth Proportional to 55,359.96, 76,396.50 and 31,486.44

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Solution

The fourth proportional to 55,359.96, 76,396.50 and 31,486.44 is: 43,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,359.96 : 76,396.50 = 31,486.44 : x
  2. Step 2: Convert to fraction form
    55,359.96/76,396.50 = 31,486.44/x
  3. Step 3: Cross multiply
    55,359.96x = 76,396.50 × 31,486.44
  4. Step 4: Simplify right side
    55,359.96x = 2,405,453,813.46
  5. Step 5: Solve for x
    x = 2,405,453,813.46/55,359.96
  6. Step 6: Final answer
    x = 43,451.15

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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.