Home / 36,958.10-55,437.15-13,579.70

Finding the Fourth Proportional to 36,958.10, 55,437.15 and 13,579.70

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Solution

The fourth proportional to 36,958.10, 55,437.15 and 13,579.70 is: 20,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,958.10 : 55,437.15 = 13,579.70 : x
  2. Step 2: Convert to fraction form
    36,958.10/55,437.15 = 13,579.70/x
  3. Step 3: Cross multiply
    36,958.10x = 55,437.15 × 13,579.70
  4. Step 4: Simplify right side
    36,958.10x = 752,819,865.86
  5. Step 5: Solve for x
    x = 752,819,865.86/36,958.10
  6. Step 6: Final answer
    x = 20,369.55

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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.