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Finding the Fourth Proportional to 50,668.52, 76,002.80 and 13,228.52

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Solution

The fourth proportional to 50,668.52, 76,002.80 and 13,228.52 is: 19,842.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,668.52 : 76,002.80 = 13,228.52 : x
  2. Step 2: Convert to fraction form
    50,668.52/76,002.80 = 13,228.52/x
  3. Step 3: Cross multiply
    50,668.52x = 76,002.80 × 13,228.52
  4. Step 4: Simplify right side
    50,668.52x = 1,005,404,559.86
  5. Step 5: Solve for x
    x = 1,005,404,559.86/50,668.52
  6. Step 6: Final answer
    x = 19,842.79

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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.