Home / 29,121.01-43,698.44-12,252.78

Finding the Fourth Proportional to 29,121.01, 43,698.44 and 12,252.78

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Solution

The fourth proportional to 29,121.01, 43,698.44 and 12,252.78 is: 18,386.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.01 : 43,698.44 = 12,252.78 : x
  2. Step 2: Convert to fraction form
    29,121.01/43,698.44 = 12,252.78/x
  3. Step 3: Cross multiply
    29,121.01x = 43,698.44 × 12,252.78
  4. Step 4: Simplify right side
    29,121.01x = 535,427,371.66
  5. Step 5: Solve for x
    x = 535,427,371.66/29,121.01
  6. Step 6: Final answer
    x = 18,386.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.