Home / 30,343.24-45,508.38-9,561.88

Finding the Fourth Proportional to 30,343.24, 45,508.38 and 9,561.88

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Solution

The fourth proportional to 30,343.24, 45,508.38 and 9,561.88 is: 14,340.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.24 : 45,508.38 = 9,561.88 : x
  2. Step 2: Convert to fraction form
    30,343.24/45,508.38 = 9,561.88/x
  3. Step 3: Cross multiply
    30,343.24x = 45,508.38 × 9,561.88
  4. Step 4: Simplify right side
    30,343.24x = 435,145,668.55
  5. Step 5: Solve for x
    x = 435,145,668.55/30,343.24
  6. Step 6: Final answer
    x = 14,340.78

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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.