Home / 35,577.90-49,094.10-19,659.78

Finding the Fourth Proportional to 35,577.90, 49,094.10 and 19,659.78

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Solution

The fourth proportional to 35,577.90, 49,094.10 and 19,659.78 is: 27,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,577.90 : 49,094.10 = 19,659.78 : x
  2. Step 2: Convert to fraction form
    35,577.90/49,094.10 = 19,659.78/x
  3. Step 3: Cross multiply
    35,577.90x = 49,094.10 × 19,659.78
  4. Step 4: Simplify right side
    35,577.90x = 965,179,205.30
  5. Step 5: Solve for x
    x = 965,179,205.30/35,577.90
  6. Step 6: Final answer
    x = 27,128.62

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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.