Home / 56,766.25-78,337.43-31,615.75

Finding the Fourth Proportional to 56,766.25, 78,337.43 and 31,615.75

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Solution

The fourth proportional to 56,766.25, 78,337.43 and 31,615.75 is: 43,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,766.25 : 78,337.43 = 31,615.75 : x
  2. Step 2: Convert to fraction form
    56,766.25/78,337.43 = 31,615.75/x
  3. Step 3: Cross multiply
    56,766.25x = 78,337.43 × 31,615.75
  4. Step 4: Simplify right side
    56,766.25x = 2,476,696,444.44
  5. Step 5: Solve for x
    x = 2,476,696,444.44/56,766.25
  6. Step 6: Final answer
    x = 43,629.74

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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.