Home / 45,083.12-67,580.74-18,795.38

Finding the Fourth Proportional to 45,083.12, 67,580.74 and 18,795.38

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Solution

The fourth proportional to 45,083.12, 67,580.74 and 18,795.38 is: 28,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,083.12 : 67,580.74 = 18,795.38 : x
  2. Step 2: Convert to fraction form
    45,083.12/67,580.74 = 18,795.38/x
  3. Step 3: Cross multiply
    45,083.12x = 67,580.74 × 18,795.38
  4. Step 4: Simplify right side
    45,083.12x = 1,270,205,595.00
  5. Step 5: Solve for x
    x = 1,270,205,595.00/45,083.12
  6. Step 6: Final answer
    x = 28,174.75

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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.