Home / 40,892.63-61,338.94-13,190.63

Finding the Fourth Proportional to 40,892.63, 61,338.94 and 13,190.63

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Solution

The fourth proportional to 40,892.63, 61,338.94 and 13,190.63 is: 19,785.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,892.63 : 61,338.94 = 13,190.63 : x
  2. Step 2: Convert to fraction form
    40,892.63/61,338.94 = 13,190.63/x
  3. Step 3: Cross multiply
    40,892.63x = 61,338.94 × 13,190.63
  4. Step 4: Simplify right side
    40,892.63x = 809,099,262.13
  5. Step 5: Solve for x
    x = 809,099,262.13/40,892.63
  6. Step 6: Final answer
    x = 19,785.94

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Similar ratio
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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.