Home / 47,958.48-71,966.88-43,992.72

Finding the Fourth Proportional to 47,958.48, 71,966.88 and 43,992.72

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Solution

The fourth proportional to 47,958.48, 71,966.88 and 43,992.72 is: 66,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,958.48 : 71,966.88 = 43,992.72 : x
  2. Step 2: Convert to fraction form
    47,958.48/71,966.88 = 43,992.72/x
  3. Step 3: Cross multiply
    47,958.48x = 71,966.88 × 43,992.72
  4. Step 4: Simplify right side
    47,958.48x = 3,166,018,801.11
  5. Step 5: Solve for x
    x = 3,166,018,801.11/47,958.48
  6. Step 6: Final answer
    x = 66,015.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.