Home / 36,520.21-54,811.40-14,349.09

Finding the Fourth Proportional to 36,520.21, 54,811.40 and 14,349.09

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Solution

The fourth proportional to 36,520.21, 54,811.40 and 14,349.09 is: 21,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,520.21 : 54,811.40 = 14,349.09 : x
  2. Step 2: Convert to fraction form
    36,520.21/54,811.40 = 14,349.09/x
  3. Step 3: Cross multiply
    36,520.21x = 54,811.40 × 14,349.09
  4. Step 4: Simplify right side
    36,520.21x = 786,493,639.88
  5. Step 5: Solve for x
    x = 786,493,639.88/36,520.21
  6. Step 6: Final answer
    x = 21,535.85

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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.