Home / 35,380.80-53,055.62-18,736.95

Finding the Fourth Proportional to 35,380.80, 53,055.62 and 18,736.95

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Solution

The fourth proportional to 35,380.80, 53,055.62 and 18,736.95 is: 28,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,380.80 : 53,055.62 = 18,736.95 : x
  2. Step 2: Convert to fraction form
    35,380.80/53,055.62 = 18,736.95/x
  3. Step 3: Cross multiply
    35,380.80x = 53,055.62 × 18,736.95
  4. Step 4: Simplify right side
    35,380.80x = 994,100,280.72
  5. Step 5: Solve for x
    x = 994,100,280.72/35,380.80
  6. Step 6: Final answer
    x = 28,097.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.