Home / 36,660.12-54,989.70-8,958.36

Finding the Fourth Proportional to 36,660.12, 54,989.70 and 8,958.36

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Solution

The fourth proportional to 36,660.12, 54,989.70 and 8,958.36 is: 13,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,660.12 : 54,989.70 = 8,958.36 : x
  2. Step 2: Convert to fraction form
    36,660.12/54,989.70 = 8,958.36/x
  3. Step 3: Cross multiply
    36,660.12x = 54,989.70 × 8,958.36
  4. Step 4: Simplify right side
    36,660.12x = 492,617,528.89
  5. Step 5: Solve for x
    x = 492,617,528.89/36,660.12
  6. Step 6: Final answer
    x = 13,437.42

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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.