Home / 42,052.96-63,079.43-19,868.56

Finding the Fourth Proportional to 42,052.96, 63,079.43 and 19,868.56

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Solution

The fourth proportional to 42,052.96, 63,079.43 and 19,868.56 is: 29,802.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,052.96 : 63,079.43 = 19,868.56 : x
  2. Step 2: Convert to fraction form
    42,052.96/63,079.43 = 19,868.56/x
  3. Step 3: Cross multiply
    42,052.96x = 63,079.43 × 19,868.56
  4. Step 4: Simplify right side
    42,052.96x = 1,253,297,439.72
  5. Step 5: Solve for x
    x = 1,253,297,439.72/42,052.96
  6. Step 6: Final answer
    x = 29,802.84

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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.