Home / 36,084.64-54,107.52-12,709.12

Finding the Fourth Proportional to 36,084.64, 54,107.52 and 12,709.12

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Solution

The fourth proportional to 36,084.64, 54,107.52 and 12,709.12 is: 19,056.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,084.64 : 54,107.52 = 12,709.12 : x
  2. Step 2: Convert to fraction form
    36,084.64/54,107.52 = 12,709.12/x
  3. Step 3: Cross multiply
    36,084.64x = 54,107.52 × 12,709.12
  4. Step 4: Simplify right side
    36,084.64x = 687,658,964.58
  5. Step 5: Solve for x
    x = 687,658,964.58/36,084.64
  6. Step 6: Final answer
    x = 19,056.83

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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.