Home / 30,504.54-45,682.29-18,801.66

Finding the Fourth Proportional to 30,504.54, 45,682.29 and 18,801.66

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Solution

The fourth proportional to 30,504.54, 45,682.29 and 18,801.66 is: 28,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,504.54 : 45,682.29 = 18,801.66 : x
  2. Step 2: Convert to fraction form
    30,504.54/45,682.29 = 18,801.66/x
  3. Step 3: Cross multiply
    30,504.54x = 45,682.29 × 18,801.66
  4. Step 4: Simplify right side
    30,504.54x = 858,902,884.60
  5. Step 5: Solve for x
    x = 858,902,884.60/30,504.54
  6. Step 6: Final answer
    x = 28,156.56

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1.5x scale

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.