Home / 40,153.14-60,239.28-13,858.11

Finding the Fourth Proportional to 40,153.14, 60,239.28 and 13,858.11

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Solution

The fourth proportional to 40,153.14, 60,239.28 and 13,858.11 is: 20,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.14 : 60,239.28 = 13,858.11 : x
  2. Step 2: Convert to fraction form
    40,153.14/60,239.28 = 13,858.11/x
  3. Step 3: Cross multiply
    40,153.14x = 60,239.28 × 13,858.11
  4. Step 4: Simplify right side
    40,153.14x = 834,802,568.56
  5. Step 5: Solve for x
    x = 834,802,568.56/40,153.14
  6. Step 6: Final answer
    x = 20,790.47

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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.