Home / 48,779.18-73,169.04-13,719.14

Finding the Fourth Proportional to 48,779.18, 73,169.04 and 13,719.14

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Solution

The fourth proportional to 48,779.18, 73,169.04 and 13,719.14 is: 20,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,779.18 : 73,169.04 = 13,719.14 : x
  2. Step 2: Convert to fraction form
    48,779.18/73,169.04 = 13,719.14/x
  3. Step 3: Cross multiply
    48,779.18x = 73,169.04 × 13,719.14
  4. Step 4: Simplify right side
    48,779.18x = 1,003,816,303.43
  5. Step 5: Solve for x
    x = 1,003,816,303.43/48,779.18
  6. Step 6: Final answer
    x = 20,578.79

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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.