Home / 31,267.59-43,133.13-21,192.59

Finding the Fourth Proportional to 31,267.59, 43,133.13 and 21,192.59

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Solution

The fourth proportional to 31,267.59, 43,133.13 and 21,192.59 is: 29,234.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267.59 : 43,133.13 = 21,192.59 : x
  2. Step 2: Convert to fraction form
    31,267.59/43,133.13 = 21,192.59/x
  3. Step 3: Cross multiply
    31,267.59x = 43,133.13 × 21,192.59
  4. Step 4: Simplify right side
    31,267.59x = 914,102,523.84
  5. Step 5: Solve for x
    x = 914,102,523.84/31,267.59
  6. Step 6: Final answer
    x = 29,234.83

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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.