Home / 71,575.26-107,349.04-21,643.65

Finding the Fourth Proportional to 71,575.26, 107,349.04 and 21,643.65

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Solution

The fourth proportional to 71,575.26, 107,349.04 and 21,643.65 is: 32,461.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,575.26 : 107,349.04 = 21,643.65 : x
  2. Step 2: Convert to fraction form
    71,575.26/107,349.04 = 21,643.65/x
  3. Step 3: Cross multiply
    71,575.26x = 107,349.04 × 21,643.65
  4. Step 4: Simplify right side
    71,575.26x = 2,323,425,049.60
  5. Step 5: Solve for x
    x = 2,323,425,049.60/71,575.26
  6. Step 6: Final answer
    x = 32,461.29

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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.