Home / 40,136.31-55,385.67-22,230.27

Finding the Fourth Proportional to 40,136.31, 55,385.67 and 22,230.27

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Solution

The fourth proportional to 40,136.31, 55,385.67 and 22,230.27 is: 30,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,136.31 : 55,385.67 = 22,230.27 : x
  2. Step 2: Convert to fraction form
    40,136.31/55,385.67 = 22,230.27/x
  3. Step 3: Cross multiply
    40,136.31x = 55,385.67 × 22,230.27
  4. Step 4: Simplify right side
    40,136.31x = 1,231,238,398.23
  5. Step 5: Solve for x
    x = 1,231,238,398.23/40,136.31
  6. Step 6: Final answer
    x = 30,676.42

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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.