Home / 36,624.80-54,937.20-13,245.78

Finding the Fourth Proportional to 36,624.80, 54,937.20 and 13,245.78

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Solution

The fourth proportional to 36,624.80, 54,937.20 and 13,245.78 is: 19,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,624.80 : 54,937.20 = 13,245.78 : x
  2. Step 2: Convert to fraction form
    36,624.80/54,937.20 = 13,245.78/x
  3. Step 3: Cross multiply
    36,624.80x = 54,937.20 × 13,245.78
  4. Step 4: Simplify right side
    36,624.80x = 727,686,065.02
  5. Step 5: Solve for x
    x = 727,686,065.02/36,624.80
  6. Step 6: Final answer
    x = 19,868.67

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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.