Home / 35,759.28-49,349.49-19,843.86

Finding the Fourth Proportional to 35,759.28, 49,349.49 and 19,843.86

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Solution

The fourth proportional to 35,759.28, 49,349.49 and 19,843.86 is: 27,385.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,759.28 : 49,349.49 = 19,843.86 : x
  2. Step 2: Convert to fraction form
    35,759.28/49,349.49 = 19,843.86/x
  3. Step 3: Cross multiply
    35,759.28x = 49,349.49 × 19,843.86
  4. Step 4: Simplify right side
    35,759.28x = 979,284,370.63
  5. Step 5: Solve for x
    x = 979,284,370.63/35,759.28
  6. Step 6: Final answer
    x = 27,385.46

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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.