Home / 40,771.10-61,106.46-19,435.04

Finding the Fourth Proportional to 40,771.10, 61,106.46 and 19,435.04

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Solution

The fourth proportional to 40,771.10, 61,106.46 and 19,435.04 is: 29,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,771.10 : 61,106.46 = 19,435.04 : x
  2. Step 2: Convert to fraction form
    40,771.10/61,106.46 = 19,435.04/x
  3. Step 3: Cross multiply
    40,771.10x = 61,106.46 × 19,435.04
  4. Step 4: Simplify right side
    40,771.10x = 1,187,606,494.36
  5. Step 5: Solve for x
    x = 1,187,606,494.36/40,771.10
  6. Step 6: Final answer
    x = 29,128.64

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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.