Home / 35,634.90-49,175.46-19,720.02

Finding the Fourth Proportional to 35,634.90, 49,175.46 and 19,720.02

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Solution

The fourth proportional to 35,634.90, 49,175.46 and 19,720.02 is: 27,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,634.90 : 49,175.46 = 19,720.02 : x
  2. Step 2: Convert to fraction form
    35,634.90/49,175.46 = 19,720.02/x
  3. Step 3: Cross multiply
    35,634.90x = 49,175.46 × 19,720.02
  4. Step 4: Simplify right side
    35,634.90x = 969,741,054.71
  5. Step 5: Solve for x
    x = 969,741,054.71/35,634.90
  6. Step 6: Final answer
    x = 27,213.24

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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.