Home / 45,942.72-63,400.24-25,800

Finding the Fourth Proportional to 45,942.72, 63,400.24 and 25,800

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Solution

The fourth proportional to 45,942.72, 63,400.24 and 25,800 is: 35,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,942.72 : 63,400.24 = 25,800 : x
  2. Step 2: Convert to fraction form
    45,942.72/63,400.24 = 25,800/x
  3. Step 3: Cross multiply
    45,942.72x = 63,400.24 × 25,800
  4. Step 4: Simplify right side
    45,942.72x = 1,635,726,192
  5. Step 5: Solve for x
    x = 1,635,726,192/45,942.72
  6. Step 6: Final answer
    x = 35,603.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.