Home / 40,812.72-61,224.92-12,735.29

Finding the Fourth Proportional to 40,812.72, 61,224.92 and 12,735.29

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Solution

The fourth proportional to 40,812.72, 61,224.92 and 12,735.29 is: 19,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,812.72 : 61,224.92 = 12,735.29 : x
  2. Step 2: Convert to fraction form
    40,812.72/61,224.92 = 12,735.29/x
  3. Step 3: Cross multiply
    40,812.72x = 61,224.92 × 12,735.29
  4. Step 4: Simplify right side
    40,812.72x = 779,716,837.14
  5. Step 5: Solve for x
    x = 779,716,837.14/40,812.72
  6. Step 6: Final answer
    x = 19,104.75

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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.