Home / 57,749.75-79,694.66-31,253.75

Finding the Fourth Proportional to 57,749.75, 79,694.66 and 31,253.75

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Solution

The fourth proportional to 57,749.75, 79,694.66 and 31,253.75 is: 43,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,749.75 : 79,694.66 = 31,253.75 : x
  2. Step 2: Convert to fraction form
    57,749.75/79,694.66 = 31,253.75/x
  3. Step 3: Cross multiply
    57,749.75x = 79,694.66 × 31,253.75
  4. Step 4: Simplify right side
    57,749.75x = 2,490,756,979.98
  5. Step 5: Solve for x
    x = 2,490,756,979.98/57,749.75
  6. Step 6: Final answer
    x = 43,130.18

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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.