Home / 50,725.39-70,023.45-30,314.65

Finding the Fourth Proportional to 50,725.39, 70,023.45 and 30,314.65

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Solution

The fourth proportional to 50,725.39, 70,023.45 and 30,314.65 is: 41,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,725.39 : 70,023.45 = 30,314.65 : x
  2. Step 2: Convert to fraction form
    50,725.39/70,023.45 = 30,314.65/x
  3. Step 3: Cross multiply
    50,725.39x = 70,023.45 × 30,314.65
  4. Step 4: Simplify right side
    50,725.39x = 2,122,736,378.54
  5. Step 5: Solve for x
    x = 2,122,736,378.54/50,725.39
  6. Step 6: Final answer
    x = 41,847.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.