Home / 71,691.04-107,536.72-21,771.52

Finding the Fourth Proportional to 71,691.04, 107,536.72 and 21,771.52

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Solution

The fourth proportional to 71,691.04, 107,536.72 and 21,771.52 is: 32,657.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,691.04 : 107,536.72 = 21,771.52 : x
  2. Step 2: Convert to fraction form
    71,691.04/107,536.72 = 21,771.52/x
  3. Step 3: Cross multiply
    71,691.04x = 107,536.72 × 21,771.52
  4. Step 4: Simplify right side
    71,691.04x = 2,341,237,850.21
  5. Step 5: Solve for x
    x = 2,341,237,850.21/71,691.04
  6. Step 6: Final answer
    x = 32,657.33

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1.5x scale

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.