Home / 31,620.94-47,426.63-11,894.91

Finding the Fourth Proportional to 31,620.94, 47,426.63 and 11,894.91

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Solution

The fourth proportional to 31,620.94, 47,426.63 and 11,894.91 is: 17,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,620.94 : 47,426.63 = 11,894.91 : x
  2. Step 2: Convert to fraction form
    31,620.94/47,426.63 = 11,894.91/x
  3. Step 3: Cross multiply
    31,620.94x = 47,426.63 × 11,894.91
  4. Step 4: Simplify right side
    31,620.94x = 564,135,435.98
  5. Step 5: Solve for x
    x = 564,135,435.98/31,620.94
  6. Step 6: Final answer
    x = 17,840.57

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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.