Home / 35,536.05-49,037.99-20,418

Finding the Fourth Proportional to 35,536.05, 49,037.99 and 20,418

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Solution

The fourth proportional to 35,536.05, 49,037.99 and 20,418 is: 28,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,536.05 : 49,037.99 = 20,418 : x
  2. Step 2: Convert to fraction form
    35,536.05/49,037.99 = 20,418/x
  3. Step 3: Cross multiply
    35,536.05x = 49,037.99 × 20,418
  4. Step 4: Simplify right side
    35,536.05x = 1,001,257,577.73
  5. Step 5: Solve for x
    x = 1,001,257,577.73/35,536.05
  6. Step 6: Final answer
    x = 28,175.83

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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.