Home / 36,123.87-54,174.70-12,744.84

Finding the Fourth Proportional to 36,123.87, 54,174.70 and 12,744.84

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Solution

The fourth proportional to 36,123.87, 54,174.70 and 12,744.84 is: 19,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.87 : 54,174.70 = 12,744.84 : x
  2. Step 2: Convert to fraction form
    36,123.87/54,174.70 = 12,744.84/x
  3. Step 3: Cross multiply
    36,123.87x = 54,174.70 × 12,744.84
  4. Step 4: Simplify right side
    36,123.87x = 690,447,883.55
  5. Step 5: Solve for x
    x = 690,447,883.55/36,123.87
  6. Step 6: Final answer
    x = 19,113.34

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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.