Home / 40,855.41-61,281.90-11,275.02

Finding the Fourth Proportional to 40,855.41, 61,281.90 and 11,275.02

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Solution

The fourth proportional to 40,855.41, 61,281.90 and 11,275.02 is: 16,912.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,855.41 : 61,281.90 = 11,275.02 : x
  2. Step 2: Convert to fraction form
    40,855.41/61,281.90 = 11,275.02/x
  3. Step 3: Cross multiply
    40,855.41x = 61,281.90 × 11,275.02
  4. Step 4: Simplify right side
    40,855.41x = 690,954,648.14
  5. Step 5: Solve for x
    x = 690,954,648.14/40,855.41
  6. Step 6: Final answer
    x = 16,912.19

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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.