Home / 42,351.38-63,528.38-15,704.00

Finding the Fourth Proportional to 42,351.38, 63,528.38 and 15,704.00

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Solution

The fourth proportional to 42,351.38, 63,528.38 and 15,704.00 is: 23,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,351.38 : 63,528.38 = 15,704.00 : x
  2. Step 2: Convert to fraction form
    42,351.38/63,528.38 = 15,704.00/x
  3. Step 3: Cross multiply
    42,351.38x = 63,528.38 × 15,704.00
  4. Step 4: Simplify right side
    42,351.38x = 997,649,361.88
  5. Step 5: Solve for x
    x = 997,649,361.88/42,351.38
  6. Step 6: Final answer
    x = 23,556.48

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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.