Home / 40,942.79-61,411.43-11,360.88

Finding the Fourth Proportional to 40,942.79, 61,411.43 and 11,360.88

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Solution

The fourth proportional to 40,942.79, 61,411.43 and 11,360.88 is: 17,040.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,942.79 : 61,411.43 = 11,360.88 : x
  2. Step 2: Convert to fraction form
    40,942.79/61,411.43 = 11,360.88/x
  3. Step 3: Cross multiply
    40,942.79x = 61,411.43 × 11,360.88
  4. Step 4: Simplify right side
    40,942.79x = 697,687,830.05
  5. Step 5: Solve for x
    x = 697,687,830.05/40,942.79
  6. Step 6: Final answer
    x = 17,040.56

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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.