Home / 48,112.38-72,179.51-21,824.64

Finding the Fourth Proportional to 48,112.38, 72,179.51 and 21,824.64

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Solution

The fourth proportional to 48,112.38, 72,179.51 and 21,824.64 is: 32,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,112.38 : 72,179.51 = 21,824.64 : x
  2. Step 2: Convert to fraction form
    48,112.38/72,179.51 = 21,824.64/x
  3. Step 3: Cross multiply
    48,112.38x = 72,179.51 × 21,824.64
  4. Step 4: Simplify right side
    48,112.38x = 1,575,291,712.00
  5. Step 5: Solve for x
    x = 1,575,291,712.00/48,112.38
  6. Step 6: Final answer
    x = 32,741.92

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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.