Home / 47,971.26-71,957.34-18,382.05

Finding the Fourth Proportional to 47,971.26, 71,957.34 and 18,382.05

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Solution

The fourth proportional to 47,971.26, 71,957.34 and 18,382.05 is: 27,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,971.26 : 71,957.34 = 18,382.05 : x
  2. Step 2: Convert to fraction form
    47,971.26/71,957.34 = 18,382.05/x
  3. Step 3: Cross multiply
    47,971.26x = 71,957.34 × 18,382.05
  4. Step 4: Simplify right side
    47,971.26x = 1,322,723,421.75
  5. Step 5: Solve for x
    x = 1,322,723,421.75/47,971.26
  6. Step 6: Final answer
    x = 27,573.25

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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.