Home / 40,815.63-61,201.58-18,617.04

Finding the Fourth Proportional to 40,815.63, 61,201.58 and 18,617.04

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Solution

The fourth proportional to 40,815.63, 61,201.58 and 18,617.04 is: 27,915.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,815.63 : 61,201.58 = 18,617.04 : x
  2. Step 2: Convert to fraction form
    40,815.63/61,201.58 = 18,617.04/x
  3. Step 3: Cross multiply
    40,815.63x = 61,201.58 × 18,617.04
  4. Step 4: Simplify right side
    40,815.63x = 1,139,392,169.84
  5. Step 5: Solve for x
    x = 1,139,392,169.84/40,815.63
  6. Step 6: Final answer
    x = 27,915.58

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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.