Home / 48,809.90-73,187.10-19,211.69

Finding the Fourth Proportional to 48,809.90, 73,187.10 and 19,211.69

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Solution

The fourth proportional to 48,809.90, 73,187.10 and 19,211.69 is: 28,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,809.90 : 73,187.10 = 19,211.69 : x
  2. Step 2: Convert to fraction form
    48,809.90/73,187.10 = 19,211.69/x
  3. Step 3: Cross multiply
    48,809.90x = 73,187.10 × 19,211.69
  4. Step 4: Simplify right side
    48,809.90x = 1,406,047,877.20
  5. Step 5: Solve for x
    x = 1,406,047,877.20/48,809.90
  6. Step 6: Final answer
    x = 28,806.61

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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.