Home / 36,123.78-54,150.44-15,069.87

Finding the Fourth Proportional to 36,123.78, 54,150.44 and 15,069.87

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Solution

The fourth proportional to 36,123.78, 54,150.44 and 15,069.87 is: 22,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.78 : 54,150.44 = 15,069.87 : x
  2. Step 2: Convert to fraction form
    36,123.78/54,150.44 = 15,069.87/x
  3. Step 3: Cross multiply
    36,123.78x = 54,150.44 × 15,069.87
  4. Step 4: Simplify right side
    36,123.78x = 816,040,015.89
  5. Step 5: Solve for x
    x = 816,040,015.89/36,123.78
  6. Step 6: Final answer
    x = 22,590.11

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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.