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Finding the Fourth Proportional to 33,566.90, 50,346.90 and 11,379.68

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Solution

The fourth proportional to 33,566.90, 50,346.90 and 11,379.68 is: 17,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,566.90 : 50,346.90 = 11,379.68 : x
  2. Step 2: Convert to fraction form
    33,566.90/50,346.90 = 11,379.68/x
  3. Step 3: Cross multiply
    33,566.90x = 50,346.90 × 11,379.68
  4. Step 4: Simplify right side
    33,566.90x = 572,931,610.99
  5. Step 5: Solve for x
    x = 572,931,610.99/33,566.90
  6. Step 6: Final answer
    x = 17,068.35

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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.