Home / 31,267.96-43,156.49-19,934.85

Finding the Fourth Proportional to 31,267.96, 43,156.49 and 19,934.85

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Solution

The fourth proportional to 31,267.96, 43,156.49 and 19,934.85 is: 27,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267.96 : 43,156.49 = 19,934.85 : x
  2. Step 2: Convert to fraction form
    31,267.96/43,156.49 = 19,934.85/x
  3. Step 3: Cross multiply
    31,267.96x = 43,156.49 × 19,934.85
  4. Step 4: Simplify right side
    31,267.96x = 860,318,086.22
  5. Step 5: Solve for x
    x = 860,318,086.22/31,267.96
  6. Step 6: Final answer
    x = 27,514.36

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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.