Home / 48,976.31-73,465.28-21,274.31

Finding the Fourth Proportional to 48,976.31, 73,465.28 and 21,274.31

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Solution

The fourth proportional to 48,976.31, 73,465.28 and 21,274.31 is: 31,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,976.31 : 73,465.28 = 21,274.31 : x
  2. Step 2: Convert to fraction form
    48,976.31/73,465.28 = 21,274.31/x
  3. Step 3: Cross multiply
    48,976.31x = 73,465.28 × 21,274.31
  4. Step 4: Simplify right side
    48,976.31x = 1,562,923,298.03
  5. Step 5: Solve for x
    x = 1,562,923,298.03/48,976.31
  6. Step 6: Final answer
    x = 31,911.82

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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.