Home / 65,046.75-89,764.64-35,238.75

Finding the Fourth Proportional to 65,046.75, 89,764.64 and 35,238.75

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Solution

The fourth proportional to 65,046.75, 89,764.64 and 35,238.75 is: 48,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,046.75 : 89,764.64 = 35,238.75 : x
  2. Step 2: Convert to fraction form
    65,046.75/89,764.64 = 35,238.75/x
  3. Step 3: Cross multiply
    65,046.75x = 89,764.64 × 35,238.75
  4. Step 4: Simplify right side
    65,046.75x = 3,163,193,531.61
  5. Step 5: Solve for x
    x = 3,163,193,531.61/65,046.75
  6. Step 6: Final answer
    x = 48,629.54

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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.