Home / 55,446.41-76,489.37-36,317.90

Finding the Fourth Proportional to 55,446.41, 76,489.37 and 36,317.90

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Solution

The fourth proportional to 55,446.41, 76,489.37 and 36,317.90 is: 50,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,446.41 : 76,489.37 = 36,317.90 : x
  2. Step 2: Convert to fraction form
    55,446.41/76,489.37 = 36,317.90/x
  3. Step 3: Cross multiply
    55,446.41x = 76,489.37 × 36,317.90
  4. Step 4: Simplify right side
    55,446.41x = 2,777,933,109.13
  5. Step 5: Solve for x
    x = 2,777,933,109.13/55,446.41
  6. Step 6: Final answer
    x = 50,101.23

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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.