Home / 55,110.64-82,678.92-17,158.16

Finding the Fourth Proportional to 55,110.64, 82,678.92 and 17,158.16

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Solution

The fourth proportional to 55,110.64, 82,678.92 and 17,158.16 is: 25,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,110.64 : 82,678.92 = 17,158.16 : x
  2. Step 2: Convert to fraction form
    55,110.64/82,678.92 = 17,158.16/x
  3. Step 3: Cross multiply
    55,110.64x = 82,678.92 × 17,158.16
  4. Step 4: Simplify right side
    55,110.64x = 1,418,618,137.99
  5. Step 5: Solve for x
    x = 1,418,618,137.99/55,110.64
  6. Step 6: Final answer
    x = 25,741.27

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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.