Home / 47,992.26-71,980.19-12,923.72

Finding the Fourth Proportional to 47,992.26, 71,980.19 and 12,923.72

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Solution

The fourth proportional to 47,992.26, 71,980.19 and 12,923.72 is: 19,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,992.26 : 71,980.19 = 12,923.72 : x
  2. Step 2: Convert to fraction form
    47,992.26/71,980.19 = 12,923.72/x
  3. Step 3: Cross multiply
    47,992.26x = 71,980.19 × 12,923.72
  4. Step 4: Simplify right side
    47,992.26x = 930,251,787.67
  5. Step 5: Solve for x
    x = 930,251,787.67/47,992.26
  6. Step 6: Final answer
    x = 19,383.37

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1.5x scale

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.