Home / 54,719.08-82,081.14-16,765.63

Finding the Fourth Proportional to 54,719.08, 82,081.14 and 16,765.63

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Solution

The fourth proportional to 54,719.08, 82,081.14 and 16,765.63 is: 25,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,719.08 : 82,081.14 = 16,765.63 : x
  2. Step 2: Convert to fraction form
    54,719.08/82,081.14 = 16,765.63/x
  3. Step 3: Cross multiply
    54,719.08x = 82,081.14 × 16,765.63
  4. Step 4: Simplify right side
    54,719.08x = 1,376,142,331.02
  5. Step 5: Solve for x
    x = 1,376,142,331.02/54,719.08
  6. Step 6: Final answer
    x = 25,149.22

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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.