Home / 48,678.14-73,017.21-19,109.90

Finding the Fourth Proportional to 48,678.14, 73,017.21 and 19,109.90

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Solution

The fourth proportional to 48,678.14, 73,017.21 and 19,109.90 is: 28,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,678.14 : 73,017.21 = 19,109.90 : x
  2. Step 2: Convert to fraction form
    48,678.14/73,017.21 = 19,109.90/x
  3. Step 3: Cross multiply
    48,678.14x = 73,017.21 × 19,109.90
  4. Step 4: Simplify right side
    48,678.14x = 1,395,351,581.38
  5. Step 5: Solve for x
    x = 1,395,351,581.38/48,678.14
  6. Step 6: Final answer
    x = 28,664.85

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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.