Home / 52,171.96-78,269.28-17,110.30

Finding the Fourth Proportional to 52,171.96, 78,269.28 and 17,110.30

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Solution

The fourth proportional to 52,171.96, 78,269.28 and 17,110.30 is: 25,669.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,171.96 : 78,269.28 = 17,110.30 : x
  2. Step 2: Convert to fraction form
    52,171.96/78,269.28 = 17,110.30/x
  3. Step 3: Cross multiply
    52,171.96x = 78,269.28 × 17,110.30
  4. Step 4: Simplify right side
    52,171.96x = 1,339,210,861.58
  5. Step 5: Solve for x
    x = 1,339,210,861.58/52,171.96
  6. Step 6: Final answer
    x = 25,669.17

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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.