Home / 40,364.16-60,561.62-18,172.43

Finding the Fourth Proportional to 40,364.16, 60,561.62 and 18,172.43

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Solution

The fourth proportional to 40,364.16, 60,561.62 and 18,172.43 is: 27,265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,364.16 : 60,561.62 = 18,172.43 : x
  2. Step 2: Convert to fraction form
    40,364.16/60,561.62 = 18,172.43/x
  3. Step 3: Cross multiply
    40,364.16x = 60,561.62 × 18,172.43
  4. Step 4: Simplify right side
    40,364.16x = 1,100,551,901.85
  5. Step 5: Solve for x
    x = 1,100,551,901.85/40,364.16
  6. Step 6: Final answer
    x = 27,265.57

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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.