Home / 40,930.79-61,396.19-11,348.63

Finding the Fourth Proportional to 40,930.79, 61,396.19 and 11,348.63

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Solution

The fourth proportional to 40,930.79, 61,396.19 and 11,348.63 is: 17,022.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,930.79 : 61,396.19 = 11,348.63 : x
  2. Step 2: Convert to fraction form
    40,930.79/61,396.19 = 11,348.63/x
  3. Step 3: Cross multiply
    40,930.79x = 61,396.19 × 11,348.63
  4. Step 4: Simplify right side
    40,930.79x = 696,762,280.00
  5. Step 5: Solve for x
    x = 696,762,280.00/40,930.79
  6. Step 6: Final answer
    x = 17,022.94

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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.