Home / 54,980.98-75,861.12-31,102.44

Finding the Fourth Proportional to 54,980.98, 75,861.12 and 31,102.44

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Solution

The fourth proportional to 54,980.98, 75,861.12 and 31,102.44 is: 42,914.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,980.98 : 75,861.12 = 31,102.44 : x
  2. Step 2: Convert to fraction form
    54,980.98/75,861.12 = 31,102.44/x
  3. Step 3: Cross multiply
    54,980.98x = 75,861.12 × 31,102.44
  4. Step 4: Simplify right side
    54,980.98x = 2,359,465,933.13
  5. Step 5: Solve for x
    x = 2,359,465,933.13/54,980.98
  6. Step 6: Final answer
    x = 42,914.22

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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.