Home / 48,939.80-73,401.39-13,871.25

Finding the Fourth Proportional to 48,939.80, 73,401.39 and 13,871.25

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Solution

The fourth proportional to 48,939.80, 73,401.39 and 13,871.25 is: 20,804.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,939.80 : 73,401.39 = 13,871.25 : x
  2. Step 2: Convert to fraction form
    48,939.80/73,401.39 = 13,871.25/x
  3. Step 3: Cross multiply
    48,939.80x = 73,401.39 × 13,871.25
  4. Step 4: Simplify right side
    48,939.80x = 1,018,169,031.04
  5. Step 5: Solve for x
    x = 1,018,169,031.04/48,939.80
  6. Step 6: Final answer
    x = 20,804.52

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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.