Home / 47,661.91-71,503.26-18,080.05

Finding the Fourth Proportional to 47,661.91, 71,503.26 and 18,080.05

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Solution

The fourth proportional to 47,661.91, 71,503.26 and 18,080.05 is: 27,124.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,661.91 : 71,503.26 = 18,080.05 : x
  2. Step 2: Convert to fraction form
    47,661.91/71,503.26 = 18,080.05/x
  3. Step 3: Cross multiply
    47,661.91x = 71,503.26 × 18,080.05
  4. Step 4: Simplify right side
    47,661.91x = 1,292,782,515.96
  5. Step 5: Solve for x
    x = 1,292,782,515.96/47,661.91
  6. Step 6: Final answer
    x = 27,124.02

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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.