Home / 29,126.80-43,690.20-22,128.40

Finding the Fourth Proportional to 29,126.80, 43,690.20 and 22,128.40

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Solution

The fourth proportional to 29,126.80, 43,690.20 and 22,128.40 is: 33,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,126.80 : 43,690.20 = 22,128.40 : x
  2. Step 2: Convert to fraction form
    29,126.80/43,690.20 = 22,128.40/x
  3. Step 3: Cross multiply
    29,126.80x = 43,690.20 × 22,128.40
  4. Step 4: Simplify right side
    29,126.80x = 966,794,221.68
  5. Step 5: Solve for x
    x = 966,794,221.68/29,126.80
  6. Step 6: Final answer
    x = 33,192.60

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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.