Home / 40,916.20-61,338.30-27,725.80

Finding the Fourth Proportional to 40,916.20, 61,338.30 and 27,725.80

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Solution

The fourth proportional to 40,916.20, 61,338.30 and 27,725.80 is: 41,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,916.20 : 61,338.30 = 27,725.80 : x
  2. Step 2: Convert to fraction form
    40,916.20/61,338.30 = 27,725.80/x
  3. Step 3: Cross multiply
    40,916.20x = 61,338.30 × 27,725.80
  4. Step 4: Simplify right side
    40,916.20x = 1,700,653,438.14
  5. Step 5: Solve for x
    x = 1,700,653,438.14/40,916.20
  6. Step 6: Final answer
    x = 41,564.31

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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.