Home / 48,673.73-73,015.05-13,613.29

Finding the Fourth Proportional to 48,673.73, 73,015.05 and 13,613.29

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Solution

The fourth proportional to 48,673.73, 73,015.05 and 13,613.29 is: 20,421.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,673.73 : 73,015.05 = 13,613.29 : x
  2. Step 2: Convert to fraction form
    48,673.73/73,015.05 = 13,613.29/x
  3. Step 3: Cross multiply
    48,673.73x = 73,015.05 × 13,613.29
  4. Step 4: Simplify right side
    48,673.73x = 993,975,050.01
  5. Step 5: Solve for x
    x = 993,975,050.01/48,673.73
  6. Step 6: Final answer
    x = 20,421.18

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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.