Home / 29,640.98-44,412.10-20,857.43

Finding the Fourth Proportional to 29,640.98, 44,412.10 and 20,857.43

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Solution

The fourth proportional to 29,640.98, 44,412.10 and 20,857.43 is: 31,251.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,640.98 : 44,412.10 = 20,857.43 : x
  2. Step 2: Convert to fraction form
    29,640.98/44,412.10 = 20,857.43/x
  3. Step 3: Cross multiply
    29,640.98x = 44,412.10 × 20,857.43
  4. Step 4: Simplify right side
    29,640.98x = 926,322,325.79
  5. Step 5: Solve for x
    x = 926,322,325.79/29,640.98
  6. Step 6: Final answer
    x = 31,251.41

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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.