Home / 48,901.36-73,382.93-20,821.43

Finding the Fourth Proportional to 48,901.36, 73,382.93 and 20,821.43

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Solution

The fourth proportional to 48,901.36, 73,382.93 and 20,821.43 is: 31,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,901.36 : 73,382.93 = 20,821.43 : x
  2. Step 2: Convert to fraction form
    48,901.36/73,382.93 = 20,821.43/x
  3. Step 3: Cross multiply
    48,901.36x = 73,382.93 × 20,821.43
  4. Step 4: Simplify right side
    48,901.36x = 1,527,937,540.19
  5. Step 5: Solve for x
    x = 1,527,937,540.19/48,901.36
  6. Step 6: Final answer
    x = 31,245.30

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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.