Home / 45,322.74-67,982.06-15,742.88

Finding the Fourth Proportional to 45,322.74, 67,982.06 and 15,742.88

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Solution

The fourth proportional to 45,322.74, 67,982.06 and 15,742.88 is: 23,613.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,322.74 : 67,982.06 = 15,742.88 : x
  2. Step 2: Convert to fraction form
    45,322.74/67,982.06 = 15,742.88/x
  3. Step 3: Cross multiply
    45,322.74x = 67,982.06 × 15,742.88
  4. Step 4: Simplify right side
    45,322.74x = 1,070,233,514.04
  5. Step 5: Solve for x
    x = 1,070,233,514.04/45,322.74
  6. Step 6: Final answer
    x = 23,613.61

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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.