Home / 40,908.18-61,411.44-27,720.54

Finding the Fourth Proportional to 40,908.18, 61,411.44 and 27,720.54

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Solution

The fourth proportional to 40,908.18, 61,411.44 and 27,720.54 is: 41,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,908.18 : 61,411.44 = 27,720.54 : x
  2. Step 2: Convert to fraction form
    40,908.18/61,411.44 = 27,720.54/x
  3. Step 3: Cross multiply
    40,908.18x = 61,411.44 × 27,720.54
  4. Step 4: Simplify right side
    40,908.18x = 1,702,358,278.98
  5. Step 5: Solve for x
    x = 1,702,358,278.98/40,908.18
  6. Step 6: Final answer
    x = 41,614.13

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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.