Home / 40,859.28-61,284.33-11,281.32

Finding the Fourth Proportional to 40,859.28, 61,284.33 and 11,281.32

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Solution

The fourth proportional to 40,859.28, 61,284.33 and 11,281.32 is: 16,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,859.28 : 61,284.33 = 11,281.32 : x
  2. Step 2: Convert to fraction form
    40,859.28/61,284.33 = 11,281.32/x
  3. Step 3: Cross multiply
    40,859.28x = 61,284.33 × 11,281.32
  4. Step 4: Simplify right side
    40,859.28x = 691,368,137.72
  5. Step 5: Solve for x
    x = 691,368,137.72/40,859.28
  6. Step 6: Final answer
    x = 16,920.71

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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.