Home / 30,191.82-41,650.23-21,244.26

Finding the Fourth Proportional to 30,191.82, 41,650.23 and 21,244.26

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Solution

The fourth proportional to 30,191.82, 41,650.23 and 21,244.26 is: 29,306.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.82 : 41,650.23 = 21,244.26 : x
  2. Step 2: Convert to fraction form
    30,191.82/41,650.23 = 21,244.26/x
  3. Step 3: Cross multiply
    30,191.82x = 41,650.23 × 21,244.26
  4. Step 4: Simplify right side
    30,191.82x = 884,828,315.18
  5. Step 5: Solve for x
    x = 884,828,315.18/30,191.82
  6. Step 6: Final answer
    x = 29,306.89

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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.