Home / 49,668.12-68,551.74-28,461.60

Finding the Fourth Proportional to 49,668.12, 68,551.74 and 28,461.60

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Solution

The fourth proportional to 49,668.12, 68,551.74 and 28,461.60 is: 39,282.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,668.12 : 68,551.74 = 28,461.60 : x
  2. Step 2: Convert to fraction form
    49,668.12/68,551.74 = 28,461.60/x
  3. Step 3: Cross multiply
    49,668.12x = 68,551.74 × 28,461.60
  4. Step 4: Simplify right side
    49,668.12x = 1,951,092,203.18
  5. Step 5: Solve for x
    x = 1,951,092,203.18/49,668.12
  6. Step 6: Final answer
    x = 39,282.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.