Home / 34,540.47-51,723.23-21,352.86

Finding the Fourth Proportional to 34,540.47, 51,723.23 and 21,352.86

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Solution

The fourth proportional to 34,540.47, 51,723.23 and 21,352.86 is: 31,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,540.47 : 51,723.23 = 21,352.86 : x
  2. Step 2: Convert to fraction form
    34,540.47/51,723.23 = 21,352.86/x
  3. Step 3: Cross multiply
    34,540.47x = 51,723.23 × 21,352.86
  4. Step 4: Simplify right side
    34,540.47x = 1,104,438,782.17
  5. Step 5: Solve for x
    x = 1,104,438,782.17/34,540.47
  6. Step 6: Final answer
    x = 31,975.21

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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.