Home / 31,257.84-43,137.24-19,311.96

Finding the Fourth Proportional to 31,257.84, 43,137.24 and 19,311.96

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Solution

The fourth proportional to 31,257.84, 43,137.24 and 19,311.96 is: 26,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257.84 : 43,137.24 = 19,311.96 : x
  2. Step 2: Convert to fraction form
    31,257.84/43,137.24 = 19,311.96/x
  3. Step 3: Cross multiply
    31,257.84x = 43,137.24 × 19,311.96
  4. Step 4: Simplify right side
    31,257.84x = 833,064,653.39
  5. Step 5: Solve for x
    x = 833,064,653.39/31,257.84
  6. Step 6: Final answer
    x = 26,651.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.