Home / 47,645.20-71,467.80-43,271.20

Finding the Fourth Proportional to 47,645.20, 71,467.80 and 43,271.20

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Solution

The fourth proportional to 47,645.20, 71,467.80 and 43,271.20 is: 64,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,645.20 : 71,467.80 = 43,271.20 : x
  2. Step 2: Convert to fraction form
    47,645.20/71,467.80 = 43,271.20/x
  3. Step 3: Cross multiply
    47,645.20x = 71,467.80 × 43,271.20
  4. Step 4: Simplify right side
    47,645.20x = 3,092,497,467.36
  5. Step 5: Solve for x
    x = 3,092,497,467.36/47,645.20
  6. Step 6: Final answer
    x = 64,906.80

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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.