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Finding the Fourth Proportional to 40,361.66, 60,559.17 and 17,860.54

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Solution

The fourth proportional to 40,361.66, 60,559.17 and 17,860.54 is: 26,798.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,361.66 : 60,559.17 = 17,860.54 : x
  2. Step 2: Convert to fraction form
    40,361.66/60,559.17 = 17,860.54/x
  3. Step 3: Cross multiply
    40,361.66x = 60,559.17 × 17,860.54
  4. Step 4: Simplify right side
    40,361.66x = 1,081,619,478.15
  5. Step 5: Solve for x
    x = 1,081,619,478.15/40,361.66
  6. Step 6: Final answer
    x = 26,798.19

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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.