Home / 51,630.41-71,241.50-30,406.79

Finding the Fourth Proportional to 51,630.41, 71,241.50 and 30,406.79

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Solution

The fourth proportional to 51,630.41, 71,241.50 and 30,406.79 is: 41,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,630.41 : 71,241.50 = 30,406.79 : x
  2. Step 2: Convert to fraction form
    51,630.41/71,241.50 = 30,406.79/x
  3. Step 3: Cross multiply
    51,630.41x = 71,241.50 × 30,406.79
  4. Step 4: Simplify right side
    51,630.41x = 2,166,224,821.54
  5. Step 5: Solve for x
    x = 2,166,224,821.54/51,630.41
  6. Step 6: Final answer
    x = 41,956.38

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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.