Home / 55,257.66-76,255.74-31,384.53

Finding the Fourth Proportional to 55,257.66, 76,255.74 and 31,384.53

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Solution

The fourth proportional to 55,257.66, 76,255.74 and 31,384.53 is: 43,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,257.66 : 76,255.74 = 31,384.53 : x
  2. Step 2: Convert to fraction form
    55,257.66/76,255.74 = 31,384.53/x
  3. Step 3: Cross multiply
    55,257.66x = 76,255.74 × 31,384.53
  4. Step 4: Simplify right side
    55,257.66x = 2,393,250,559.70
  5. Step 5: Solve for x
    x = 2,393,250,559.70/55,257.66
  6. Step 6: Final answer
    x = 43,310.75

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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.