Home / 48,536.45-72,774.52-20,442.04

Finding the Fourth Proportional to 48,536.45, 72,774.52 and 20,442.04

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Solution

The fourth proportional to 48,536.45, 72,774.52 and 20,442.04 is: 30,650.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,536.45 : 72,774.52 = 20,442.04 : x
  2. Step 2: Convert to fraction form
    48,536.45/72,774.52 = 20,442.04/x
  3. Step 3: Cross multiply
    48,536.45x = 72,774.52 × 20,442.04
  4. Step 4: Simplify right side
    48,536.45x = 1,487,659,415.78
  5. Step 5: Solve for x
    x = 1,487,659,415.78/48,536.45
  6. Step 6: Final answer
    x = 30,650.36

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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.