Home / 48,808.90-73,185.60-19,210.69

Finding the Fourth Proportional to 48,808.90, 73,185.60 and 19,210.69

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Solution

The fourth proportional to 48,808.90, 73,185.60 and 19,210.69 is: 28,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,808.90 : 73,185.60 = 19,210.69 : x
  2. Step 2: Convert to fraction form
    48,808.90/73,185.60 = 19,210.69/x
  3. Step 3: Cross multiply
    48,808.90x = 73,185.60 × 19,210.69
  4. Step 4: Simplify right side
    48,808.90x = 1,405,945,508.14
  5. Step 5: Solve for x
    x = 1,405,945,508.14/48,808.90
  6. Step 6: Final answer
    x = 28,805.11

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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.