Home / 40,668.90-61,001.55-11,086.74

Finding the Fourth Proportional to 40,668.90, 61,001.55 and 11,086.74

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Solution

The fourth proportional to 40,668.90, 61,001.55 and 11,086.74 is: 16,629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,668.90 : 61,001.55 = 11,086.74 : x
  2. Step 2: Convert to fraction form
    40,668.90/61,001.55 = 11,086.74/x
  3. Step 3: Cross multiply
    40,668.90x = 61,001.55 × 11,086.74
  4. Step 4: Simplify right side
    40,668.90x = 676,308,324.45
  5. Step 5: Solve for x
    x = 676,308,324.45/40,668.90
  6. Step 6: Final answer
    x = 16,629.62

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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.