Home / 29,890.55-41,221.50-19,677.26

Finding the Fourth Proportional to 29,890.55, 41,221.50 and 19,677.26

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Solution

The fourth proportional to 29,890.55, 41,221.50 and 19,677.26 is: 27,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,890.55 : 41,221.50 = 19,677.26 : x
  2. Step 2: Convert to fraction form
    29,890.55/41,221.50 = 19,677.26/x
  3. Step 3: Cross multiply
    29,890.55x = 41,221.50 × 19,677.26
  4. Step 4: Simplify right side
    29,890.55x = 811,126,173.09
  5. Step 5: Solve for x
    x = 811,126,173.09/29,890.55
  6. Step 6: Final answer
    x = 27,136.54

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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.