Home / 48,890.31-73,314.81-20,809.23

Finding the Fourth Proportional to 48,890.31, 73,314.81 and 20,809.23

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Solution

The fourth proportional to 48,890.31, 73,314.81 and 20,809.23 is: 31,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,890.31 : 73,314.81 = 20,809.23 : x
  2. Step 2: Convert to fraction form
    48,890.31/73,314.81 = 20,809.23/x
  3. Step 3: Cross multiply
    48,890.31x = 73,314.81 × 20,809.23
  4. Step 4: Simplify right side
    48,890.31x = 1,525,624,743.70
  5. Step 5: Solve for x
    x = 1,525,624,743.70/48,890.31
  6. Step 6: Final answer
    x = 31,205.05

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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.