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Finding the Fourth Proportional to 29,445, 44,174.79 and 8,668.50

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Solution

The fourth proportional to 29,445, 44,174.79 and 8,668.50 is: 13,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,445 : 44,174.79 = 8,668.50 : x
  2. Step 2: Convert to fraction form
    29,445/44,174.79 = 8,668.50/x
  3. Step 3: Cross multiply
    29,445x = 44,174.79 × 8,668.50
  4. Step 4: Simplify right side
    29,445x = 382,929,167.12
  5. Step 5: Solve for x
    x = 382,929,167.12/29,445
  6. Step 6: Final answer
    x = 13,004.90

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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.