Home / 30,174.79-41,656.20-18,850.57

Finding the Fourth Proportional to 30,174.79, 41,656.20 and 18,850.57

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Solution

The fourth proportional to 30,174.79, 41,656.20 and 18,850.57 is: 26,023.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174.79 : 41,656.20 = 18,850.57 : x
  2. Step 2: Convert to fraction form
    30,174.79/41,656.20 = 18,850.57/x
  3. Step 3: Cross multiply
    30,174.79x = 41,656.20 × 18,850.57
  4. Step 4: Simplify right side
    30,174.79x = 785,243,226.54
  5. Step 5: Solve for x
    x = 785,243,226.54/30,174.79
  6. Step 6: Final answer
    x = 26,023.15

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1.5x scale

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.