Home / 48,199.44-72,292.32-18,631.20

Finding the Fourth Proportional to 48,199.44, 72,292.32 and 18,631.20

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Solution

The fourth proportional to 48,199.44, 72,292.32 and 18,631.20 is: 27,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,199.44 : 72,292.32 = 18,631.20 : x
  2. Step 2: Convert to fraction form
    48,199.44/72,292.32 = 18,631.20/x
  3. Step 3: Cross multiply
    48,199.44x = 72,292.32 × 18,631.20
  4. Step 4: Simplify right side
    48,199.44x = 1,346,892,672.38
  5. Step 5: Solve for x
    x = 1,346,892,672.38/48,199.44
  6. Step 6: Final answer
    x = 27,944.16

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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.