Home / 56,768.06-78,339.24-31,273.92

Finding the Fourth Proportional to 56,768.06, 78,339.24 and 31,273.92

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Solution

The fourth proportional to 56,768.06, 78,339.24 and 31,273.92 is: 43,157.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,768.06 : 78,339.24 = 31,273.92 : x
  2. Step 2: Convert to fraction form
    56,768.06/78,339.24 = 31,273.92/x
  3. Step 3: Cross multiply
    56,768.06x = 78,339.24 × 31,273.92
  4. Step 4: Simplify right side
    56,768.06x = 2,449,975,046.05
  5. Step 5: Solve for x
    x = 2,449,975,046.05/56,768.06
  6. Step 6: Final answer
    x = 43,157.63

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1.5x scale

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.