Home / 57,749.25-79,693.97-31,253.25

Finding the Fourth Proportional to 57,749.25, 79,693.97 and 31,253.25

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Solution

The fourth proportional to 57,749.25, 79,693.97 and 31,253.25 is: 43,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,749.25 : 79,693.97 = 31,253.25 : x
  2. Step 2: Convert to fraction form
    57,749.25/79,693.97 = 31,253.25/x
  3. Step 3: Cross multiply
    57,749.25x = 79,693.97 × 31,253.25
  4. Step 4: Simplify right side
    57,749.25x = 2,490,695,411.64
  5. Step 5: Solve for x
    x = 2,490,695,411.64/57,749.25
  6. Step 6: Final answer
    x = 43,129.49

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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.