Home / 47,720.27-71,574.93-12,662.66

Finding the Fourth Proportional to 47,720.27, 71,574.93 and 12,662.66

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Solution

The fourth proportional to 47,720.27, 71,574.93 and 12,662.66 is: 18,992.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,720.27 : 71,574.93 = 12,662.66 : x
  2. Step 2: Convert to fraction form
    47,720.27/71,574.93 = 12,662.66/x
  3. Step 3: Cross multiply
    47,720.27x = 71,574.93 × 12,662.66
  4. Step 4: Simplify right side
    47,720.27x = 906,328,645.24
  5. Step 5: Solve for x
    x = 906,328,645.24/47,720.27
  6. Step 6: Final answer
    x = 18,992.53

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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.