Home / 56,805.35-78,388.22-31,306.73

Finding the Fourth Proportional to 56,805.35, 78,388.22 and 31,306.73

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Solution

The fourth proportional to 56,805.35, 78,388.22 and 31,306.73 is: 43,201.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,805.35 : 78,388.22 = 31,306.73 : x
  2. Step 2: Convert to fraction form
    56,805.35/78,388.22 = 31,306.73/x
  3. Step 3: Cross multiply
    56,805.35x = 78,388.22 × 31,306.73
  4. Step 4: Simplify right side
    56,805.35x = 2,454,078,682.19
  5. Step 5: Solve for x
    x = 2,454,078,682.19/56,805.35
  6. Step 6: Final answer
    x = 43,201.54

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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.