Home / 40,638.36-60,966-14,361.96

Finding the Fourth Proportional to 40,638.36, 60,966 and 14,361.96

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Solution

The fourth proportional to 40,638.36, 60,966 and 14,361.96 is: 21,545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,638.36 : 60,966 = 14,361.96 : x
  2. Step 2: Convert to fraction form
    40,638.36/60,966 = 14,361.96/x
  3. Step 3: Cross multiply
    40,638.36x = 60,966 × 14,361.96
  4. Step 4: Simplify right side
    40,638.36x = 875,591,253.36
  5. Step 5: Solve for x
    x = 875,591,253.36/40,638.36
  6. Step 6: Final answer
    x = 21,545.93

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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.