Home / 48,659.57-72,999.44-20,579.86

Finding the Fourth Proportional to 48,659.57, 72,999.44 and 20,579.86

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Solution

The fourth proportional to 48,659.57, 72,999.44 and 20,579.86 is: 30,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,659.57 : 72,999.44 = 20,579.86 : x
  2. Step 2: Convert to fraction form
    48,659.57/72,999.44 = 20,579.86/x
  3. Step 3: Cross multiply
    48,659.57x = 72,999.44 × 20,579.86
  4. Step 4: Simplify right side
    48,659.57x = 1,502,318,255.28
  5. Step 5: Solve for x
    x = 1,502,318,255.28/48,659.57
  6. Step 6: Final answer
    x = 30,874.06

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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.