Home / 53,072.14-73,179.75-40,945

Finding the Fourth Proportional to 53,072.14, 73,179.75 and 40,945

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Solution

The fourth proportional to 53,072.14, 73,179.75 and 40,945 is: 56,457.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,072.14 : 73,179.75 = 40,945 : x
  2. Step 2: Convert to fraction form
    53,072.14/73,179.75 = 40,945/x
  3. Step 3: Cross multiply
    53,072.14x = 73,179.75 × 40,945
  4. Step 4: Simplify right side
    53,072.14x = 2,996,344,863.75
  5. Step 5: Solve for x
    x = 2,996,344,863.75/53,072.14
  6. Step 6: Final answer
    x = 56,457.96

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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.