Home / 56,919.23-78,548.41-31,768.73

Finding the Fourth Proportional to 56,919.23, 78,548.41 and 31,768.73

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Solution

The fourth proportional to 56,919.23, 78,548.41 and 31,768.73 is: 43,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,919.23 : 78,548.41 = 31,768.73 : x
  2. Step 2: Convert to fraction form
    56,919.23/78,548.41 = 31,768.73/x
  3. Step 3: Cross multiply
    56,919.23x = 78,548.41 × 31,768.73
  4. Step 4: Simplify right side
    56,919.23x = 2,495,383,229.22
  5. Step 5: Solve for x
    x = 2,495,383,229.22/56,919.23
  6. Step 6: Final answer
    x = 43,840.78

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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.