Home / 31,248.98-46,872.40-12,523.99

Finding the Fourth Proportional to 31,248.98, 46,872.40 and 12,523.99

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Solution

The fourth proportional to 31,248.98, 46,872.40 and 12,523.99 is: 18,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248.98 : 46,872.40 = 12,523.99 : x
  2. Step 2: Convert to fraction form
    31,248.98/46,872.40 = 12,523.99/x
  3. Step 3: Cross multiply
    31,248.98x = 46,872.40 × 12,523.99
  4. Step 4: Simplify right side
    31,248.98x = 587,029,468.88
  5. Step 5: Solve for x
    x = 587,029,468.88/31,248.98
  6. Step 6: Final answer
    x = 18,785.56

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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.