Home / 51,551.56-71,137.78-30,326.73

Finding the Fourth Proportional to 51,551.56, 71,137.78 and 30,326.73

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Solution

The fourth proportional to 51,551.56, 71,137.78 and 30,326.73 is: 41,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,551.56 : 71,137.78 = 30,326.73 : x
  2. Step 2: Convert to fraction form
    51,551.56/71,137.78 = 30,326.73/x
  3. Step 3: Cross multiply
    51,551.56x = 71,137.78 × 30,326.73
  4. Step 4: Simplify right side
    51,551.56x = 2,157,376,246.86
  5. Step 5: Solve for x
    x = 2,157,376,246.86/51,551.56
  6. Step 6: Final answer
    x = 41,848.90

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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.