Home / 48,679.48-73,031.58-13,619.32

Finding the Fourth Proportional to 48,679.48, 73,031.58 and 13,619.32

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Solution

The fourth proportional to 48,679.48, 73,031.58 and 13,619.32 is: 20,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,679.48 : 73,031.58 = 13,619.32 : x
  2. Step 2: Convert to fraction form
    48,679.48/73,031.58 = 13,619.32/x
  3. Step 3: Cross multiply
    48,679.48x = 73,031.58 × 13,619.32
  4. Step 4: Simplify right side
    48,679.48x = 994,640,458.13
  5. Step 5: Solve for x
    x = 994,640,458.13/48,679.48
  6. Step 6: Final answer
    x = 20,432.44

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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.