Home / 41,140.61-61,664.25-18,908.03

Finding the Fourth Proportional to 41,140.61, 61,664.25 and 18,908.03

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Solution

The fourth proportional to 41,140.61, 61,664.25 and 18,908.03 is: 28,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,140.61 : 61,664.25 = 18,908.03 : x
  2. Step 2: Convert to fraction form
    41,140.61/61,664.25 = 18,908.03/x
  3. Step 3: Cross multiply
    41,140.61x = 61,664.25 × 18,908.03
  4. Step 4: Simplify right side
    41,140.61x = 1,165,949,488.93
  5. Step 5: Solve for x
    x = 1,165,949,488.93/41,140.61
  6. Step 6: Final answer
    x = 28,340.60

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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.