Home / 31,961.24-47,937.40-16,961.79

Finding the Fourth Proportional to 31,961.24, 47,937.40 and 16,961.79

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Solution

The fourth proportional to 31,961.24, 47,937.40 and 16,961.79 is: 25,440.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,961.24 : 47,937.40 = 16,961.79 : x
  2. Step 2: Convert to fraction form
    31,961.24/47,937.40 = 16,961.79/x
  3. Step 3: Cross multiply
    31,961.24x = 47,937.40 × 16,961.79
  4. Step 4: Simplify right side
    31,961.24x = 813,104,111.95
  5. Step 5: Solve for x
    x = 813,104,111.95/31,961.24
  6. Step 6: Final answer
    x = 25,440.32

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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.