Home / 35,500.73-48,985.29-20,185.65

Finding the Fourth Proportional to 35,500.73, 48,985.29 and 20,185.65

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Solution

The fourth proportional to 35,500.73, 48,985.29 and 20,185.65 is: 27,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,500.73 : 48,985.29 = 20,185.65 : x
  2. Step 2: Convert to fraction form
    35,500.73/48,985.29 = 20,185.65/x
  3. Step 3: Cross multiply
    35,500.73x = 48,985.29 × 20,185.65
  4. Step 4: Simplify right side
    35,500.73x = 988,799,919.09
  5. Step 5: Solve for x
    x = 988,799,919.09/35,500.73
  6. Step 6: Final answer
    x = 27,852.95

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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.