Home / 40,908.60-61,359.64-11,326.99

Finding the Fourth Proportional to 40,908.60, 61,359.64 and 11,326.99

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Solution

The fourth proportional to 40,908.60, 61,359.64 and 11,326.99 is: 16,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,908.60 : 61,359.64 = 11,326.99 : x
  2. Step 2: Convert to fraction form
    40,908.60/61,359.64 = 11,326.99/x
  3. Step 3: Cross multiply
    40,908.60x = 61,359.64 × 11,326.99
  4. Step 4: Simplify right side
    40,908.60x = 695,020,028.68
  5. Step 5: Solve for x
    x = 695,020,028.68/40,908.60
  6. Step 6: Final answer
    x = 16,989.58

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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.