Home / 35,755.85-49,343.46-19,840.57

Finding the Fourth Proportional to 35,755.85, 49,343.46 and 19,840.57

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Solution

The fourth proportional to 35,755.85, 49,343.46 and 19,840.57 is: 27,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,755.85 : 49,343.46 = 19,840.57 : x
  2. Step 2: Convert to fraction form
    35,755.85/49,343.46 = 19,840.57/x
  3. Step 3: Cross multiply
    35,755.85x = 49,343.46 × 19,840.57
  4. Step 4: Simplify right side
    35,755.85x = 979,002,125.45
  5. Step 5: Solve for x
    x = 979,002,125.45/35,755.85
  6. Step 6: Final answer
    x = 27,380.19

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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.