Home / 30,347.70-45,524.27-8,160.58

Finding the Fourth Proportional to 30,347.70, 45,524.27 and 8,160.58

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Solution

The fourth proportional to 30,347.70, 45,524.27 and 8,160.58 is: 12,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347.70 : 45,524.27 = 8,160.58 : x
  2. Step 2: Convert to fraction form
    30,347.70/45,524.27 = 8,160.58/x
  3. Step 3: Cross multiply
    30,347.70x = 45,524.27 × 8,160.58
  4. Step 4: Simplify right side
    30,347.70x = 371,504,447.28
  5. Step 5: Solve for x
    x = 371,504,447.28/30,347.70
  6. Step 6: Final answer
    x = 12,241.60

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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.