Home / 49,152.75-67,811.54-30,257.07

Finding the Fourth Proportional to 49,152.75, 67,811.54 and 30,257.07

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Solution

The fourth proportional to 49,152.75, 67,811.54 and 30,257.07 is: 41,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,152.75 : 67,811.54 = 30,257.07 : x
  2. Step 2: Convert to fraction form
    49,152.75/67,811.54 = 30,257.07/x
  3. Step 3: Cross multiply
    49,152.75x = 67,811.54 × 30,257.07
  4. Step 4: Simplify right side
    49,152.75x = 2,051,778,512.59
  5. Step 5: Solve for x
    x = 2,051,778,512.59/49,152.75
  6. Step 6: Final answer
    x = 41,742.90

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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.