Home / 42,215.44-63,323.14-15,914.03

Finding the Fourth Proportional to 42,215.44, 63,323.14 and 15,914.03

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Solution

The fourth proportional to 42,215.44, 63,323.14 and 15,914.03 is: 23,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,215.44 : 63,323.14 = 15,914.03 : x
  2. Step 2: Convert to fraction form
    42,215.44/63,323.14 = 15,914.03/x
  3. Step 3: Cross multiply
    42,215.44x = 63,323.14 × 15,914.03
  4. Step 4: Simplify right side
    42,215.44x = 1,007,725,993.25
  5. Step 5: Solve for x
    x = 1,007,725,993.25/42,215.44
  6. Step 6: Final answer
    x = 23,871.03

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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.