Home / 71,679.24-107,536.23-21,756.47

Finding the Fourth Proportional to 71,679.24, 107,536.23 and 21,756.47

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Solution

The fourth proportional to 71,679.24, 107,536.23 and 21,756.47 is: 32,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,679.24 : 107,536.23 = 21,756.47 : x
  2. Step 2: Convert to fraction form
    71,679.24/107,536.23 = 21,756.47/x
  3. Step 3: Cross multiply
    71,679.24x = 107,536.23 × 21,756.47
  4. Step 4: Simplify right side
    71,679.24x = 2,339,608,224.23
  5. Step 5: Solve for x
    x = 2,339,608,224.23/71,679.24
  6. Step 6: Final answer
    x = 32,639.97

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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.