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Finding the Fourth Proportional to 44,456.42, 66,668.42 and 19,479.26

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Solution

The fourth proportional to 44,456.42, 66,668.42 and 19,479.26 is: 29,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,456.42 : 66,668.42 = 19,479.26 : x
  2. Step 2: Convert to fraction form
    44,456.42/66,668.42 = 19,479.26/x
  3. Step 3: Cross multiply
    44,456.42x = 66,668.42 × 19,479.26
  4. Step 4: Simplify right side
    44,456.42x = 1,298,651,486.97
  5. Step 5: Solve for x
    x = 1,298,651,486.97/44,456.42
  6. Step 6: Final answer
    x = 29,211.79

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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.