Home / 56,735.58-78,294.42-31,241.40

Finding the Fourth Proportional to 56,735.58, 78,294.42 and 31,241.40

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Solution

The fourth proportional to 56,735.58, 78,294.42 and 31,241.40 is: 43,112.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,735.58 : 78,294.42 = 31,241.40 : x
  2. Step 2: Convert to fraction form
    56,735.58/78,294.42 = 31,241.40/x
  3. Step 3: Cross multiply
    56,735.58x = 78,294.42 × 31,241.40
  4. Step 4: Simplify right side
    56,735.58x = 2,446,027,292.99
  5. Step 5: Solve for x
    x = 2,446,027,292.99/56,735.58
  6. Step 6: Final answer
    x = 43,112.76

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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.