Home / 52,636.08-78,985.23-19,379.46

Finding the Fourth Proportional to 52,636.08, 78,985.23 and 19,379.46

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Solution

The fourth proportional to 52,636.08, 78,985.23 and 19,379.46 is: 29,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,636.08 : 78,985.23 = 19,379.46 : x
  2. Step 2: Convert to fraction form
    52,636.08/78,985.23 = 19,379.46/x
  3. Step 3: Cross multiply
    52,636.08x = 78,985.23 × 19,379.46
  4. Step 4: Simplify right side
    52,636.08x = 1,530,691,105.38
  5. Step 5: Solve for x
    x = 1,530,691,105.38/52,636.08
  6. Step 6: Final answer
    x = 29,080.64

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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.