Home / 30,725.75-46,087.47-12,713.50

Finding the Fourth Proportional to 30,725.75, 46,087.47 and 12,713.50

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Solution

The fourth proportional to 30,725.75, 46,087.47 and 12,713.50 is: 19,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,725.75 : 46,087.47 = 12,713.50 : x
  2. Step 2: Convert to fraction form
    30,725.75/46,087.47 = 12,713.50/x
  3. Step 3: Cross multiply
    30,725.75x = 46,087.47 × 12,713.50
  4. Step 4: Simplify right side
    30,725.75x = 585,933,049.85
  5. Step 5: Solve for x
    x = 585,933,049.85/30,725.75
  6. Step 6: Final answer
    x = 19,069.77

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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.