Home / 47,359.10-71,020.09-17,760.80

Finding the Fourth Proportional to 47,359.10, 71,020.09 and 17,760.80

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Solution

The fourth proportional to 47,359.10, 71,020.09 and 17,760.80 is: 26,634.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,359.10 : 71,020.09 = 17,760.80 : x
  2. Step 2: Convert to fraction form
    47,359.10/71,020.09 = 17,760.80/x
  3. Step 3: Cross multiply
    47,359.10x = 71,020.09 × 17,760.80
  4. Step 4: Simplify right side
    47,359.10x = 1,261,373,614.47
  5. Step 5: Solve for x
    x = 1,261,373,614.47/47,359.10
  6. Step 6: Final answer
    x = 26,634.24

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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.