Home / 57,241.16-78,996.84-31,755.68

Finding the Fourth Proportional to 57,241.16, 78,996.84 and 31,755.68

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Solution

The fourth proportional to 57,241.16, 78,996.84 and 31,755.68 is: 43,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,241.16 : 78,996.84 = 31,755.68 : x
  2. Step 2: Convert to fraction form
    57,241.16/78,996.84 = 31,755.68/x
  3. Step 3: Cross multiply
    57,241.16x = 78,996.84 × 31,755.68
  4. Step 4: Simplify right side
    57,241.16x = 2,508,598,372.05
  5. Step 5: Solve for x
    x = 2,508,598,372.05/57,241.16
  6. Step 6: Final answer
    x = 43,825.08

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1.5x scale

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.