Home / 29,115.68-40,181.28-22,029.80

Finding the Fourth Proportional to 29,115.68, 40,181.28 and 22,029.80

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Solution

The fourth proportional to 29,115.68, 40,181.28 and 22,029.80 is: 30,402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,115.68 : 40,181.28 = 22,029.80 : x
  2. Step 2: Convert to fraction form
    29,115.68/40,181.28 = 22,029.80/x
  3. Step 3: Cross multiply
    29,115.68x = 40,181.28 × 22,029.80
  4. Step 4: Simplify right side
    29,115.68x = 885,185,562.14
  5. Step 5: Solve for x
    x = 885,185,562.14/29,115.68
  6. Step 6: Final answer
    x = 30,402.37

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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.