Home / 31,940.07-47,910.10-14,414.91

Finding the Fourth Proportional to 31,940.07, 47,910.10 and 14,414.91

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Solution

The fourth proportional to 31,940.07, 47,910.10 and 14,414.91 is: 21,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,940.07 : 47,910.10 = 14,414.91 : x
  2. Step 2: Convert to fraction form
    31,940.07/47,910.10 = 14,414.91/x
  3. Step 3: Cross multiply
    31,940.07x = 47,910.10 × 14,414.91
  4. Step 4: Simplify right side
    31,940.07x = 690,619,779.59
  5. Step 5: Solve for x
    x = 690,619,779.59/31,940.07
  6. Step 6: Final answer
    x = 21,622.36

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1.5x scale

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.