Home / 31,274.66-46,920.74-12,567.82

Finding the Fourth Proportional to 31,274.66, 46,920.74 and 12,567.82

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Solution

The fourth proportional to 31,274.66, 46,920.74 and 12,567.82 is: 18,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,274.66 : 46,920.74 = 12,567.82 : x
  2. Step 2: Convert to fraction form
    31,274.66/46,920.74 = 12,567.82/x
  3. Step 3: Cross multiply
    31,274.66x = 46,920.74 × 12,567.82
  4. Step 4: Simplify right side
    31,274.66x = 589,691,414.59
  5. Step 5: Solve for x
    x = 589,691,414.59/31,274.66
  6. Step 6: Final answer
    x = 18,855.25

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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.